Revision Questions for Class 11 Chemistry. Try first, then reveal the answer. These are exam-oriented practice items, not copied board papers.
Practice questions aligned to NCERT topics used in CBSE classrooms. These are original exam-oriented questions for revision — not official CBSE board papers and not a guarantee of any exam question. Always match the textbook issued by your school and the latest PDFs on ncert.nic.in and cbseacademic.nic.in.
Answers opened: 0
Practice set
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Mole is 6 in the chapter Some Basic Concepts of Chemistry.
A. Limiting reagent
B. Mole is 6.022×10²³ particles
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Some Basic Concepts of Chemistry is an NCERT chapter taught in CBSE Class 11 Chemistry
Answer
B. Mole is 6.022×10²³ particles
Explanation
Mole is 6.022×10²³ particles. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Some Basic Concepts of Chemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Some Basic Concepts of Chemistry in the chapter Some Basic Concepts of Chemistry.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Molarity = moles/litre
D. Empirical vs molecular formula
Answer
C. Molarity = moles/litre
Explanation
Molarity = moles/litre. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Some Basic Concepts of Chemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Some Basic Concepts of Chemistry in the chapter Some Basic Concepts of Chemistry.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. Laws of chemical combination
C. Limiting reagent
D. Write three points from Some Basic Concepts of Chemistry in your own words; that is enough for a short-answer start
Answer
C. Limiting reagent
Explanation
Limiting reagent. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Some Basic Concepts of Chemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Some Basic Concepts of Chemistry in the chapter Some Basic Concepts of Chemistry.
A. Some Basic Concepts of Chemistry is an NCERT chapter taught in CBSE Class 11 Chemistry
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Empirical vs molecular formula
Answer
D. Empirical vs molecular formula
Explanation
Empirical vs molecular formula. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Some Basic Concepts of Chemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Some Basic Concepts of Chemistry in the chapter Some Basic Concepts of Chemistry.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Laws of chemical combination
C. Mix MCQs with short answers so you remember both facts and explanations from Some Basic Concepts of Chemistry
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
B. Laws of chemical combination
Explanation
Laws of chemical combination. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Some Basic Concepts of Chemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q6MCQ1 markEasy
Choose the correct statement related to Some Basic Concepts of Chemistry in the chapter Some Basic Concepts of Chemistry.
A. Empirical vs molecular formula
B. Write three points from Some Basic Concepts of Chemistry in your own words; that is enough for a short-answer start
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Some Basic Concepts of Chemistry is an NCERT chapter taught in CBSE Class 11 Chemistry
Answer
D. Some Basic Concepts of Chemistry is an NCERT chapter taught in CBSE Class 11 Chemistry
Explanation
Some Basic Concepts of Chemistry is an NCERT chapter taught in CBSE Class 11 Chemistry. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Some Basic Concepts of Chemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Structure of Atom in the chapter Structure of Atom.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Photon E=hν
C. Structure of Atom is an NCERT chapter taught in CBSE Class 11 Chemistry
D. n, l, m, s
Answer
B. Photon E=hν
Explanation
Photon E=hν. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Structure of Atom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Structure of Atom in the chapter Structure of Atom.
A. Aufbau, Pauli, Hund
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Bohr model limits
Answer
D. Bohr model limits
Explanation
Bohr model limits. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Structure of Atom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Structure of Atom in the chapter Structure of Atom.
A. n, l, m, s
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Structure of Atom in your own words; that is enough for a short-answer start
D. Dual nature of electron
Answer
A. n, l, m, s
Explanation
n, l, m, s. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Structure of Atom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Structure of Atom in the chapter Structure of Atom.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Aufbau, Pauli, Hund
C. Structure of Atom is an NCERT chapter taught in CBSE Class 11 Chemistry
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
B. Aufbau, Pauli, Hund
Explanation
Aufbau, Pauli, Hund. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Structure of Atom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Structure of Atom in the chapter Structure of Atom.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Mix MCQs with short answers so you remember both facts and explanations from Structure of Atom
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Dual nature of electron
Answer
D. Dual nature of electron
Explanation
Dual nature of electron. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Structure of Atom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q6MCQ1 markEasy
Choose the correct statement related to Structure of Atom in the chapter Structure of Atom.
A. Write three points from Structure of Atom in your own words; that is enough for a short-answer start
B. Aufbau, Pauli, Hund
C. Structure of Atom is an NCERT chapter taught in CBSE Class 11 Chemistry
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Answer
C. Structure of Atom is an NCERT chapter taught in CBSE Class 11 Chemistry
Explanation
Structure of Atom is an NCERT chapter taught in CBSE Class 11 Chemistry. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Structure of Atom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Classification of Elements and Periodicity in Properties in the chapter Classification of Elements and Periodicity in Properties.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Atomic radius decreases across a period
C. Modern table is Z-based
D. Classification of Elements and Periodicity in Properties is an NCERT chapter taught in CBSE Class 11 Chemistry
Answer
C. Modern table is Z-based
Explanation
Modern table is Z-based. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Classification of Elements and Periodicity in Properties · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Classification of Elements and Periodicity in Properties in the chapter Classification of Elements and Periodicity in Properties.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Ionisation enthalpy
D. s, p, d, f blocks
Answer
D. s, p, d, f blocks
Explanation
s, p, d, f blocks. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Classification of Elements and Periodicity in Properties · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Classification of Elements and Periodicity in Properties in the chapter Classification of Elements and Periodicity in Properties.
A. Atomic radius decreases across a period
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Electronegativity
D. Write three points from Classification of Elements and Periodicity in Properties in your own words; that is enough for a short-answer start
Answer
A. Atomic radius decreases across a period
Explanation
Atomic radius decreases across a period. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Classification of Elements and Periodicity in Properties · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Classification of Elements and Periodicity in Properties in the chapter Classification of Elements and Periodicity in Properties.
A. Classification of Elements and Periodicity in Properties is an NCERT chapter taught in CBSE Class 11 Chemistry
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Ionisation enthalpy
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. Ionisation enthalpy
Explanation
Ionisation enthalpy. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Classification of Elements and Periodicity in Properties · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Classification of Elements and Periodicity in Properties in the chapter Classification of Elements and Periodicity in Properties.
A. Mix MCQs with short answers so you remember both facts and explanations from Classification of Elements and Periodicity in Properties
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. Electronegativity
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
C. Electronegativity
Explanation
Electronegativity. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Classification of Elements and Periodicity in Properties · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q6MCQ1 markEasy
Choose the correct statement related to Classification of Elements and Periodicity in Properties in the chapter Classification of Elements and Periodicity in Properties.
A. Classification of Elements and Periodicity in Properties is an NCERT chapter taught in CBSE Class 11 Chemistry
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Classification of Elements and Periodicity in Properties in your own words; that is enough for a short-answer start
D. Ionisation enthalpy
Answer
A. Classification of Elements and Periodicity in Properties is an NCERT chapter taught in CBSE Class 11 Chemistry
Explanation
Classification of Elements and Periodicity in Properties is an NCERT chapter taught in CBSE Class 11 Chemistry. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Classification of Elements and Periodicity in Properties · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Chemical Bonding and Molecular Structure in the chapter Chemical Bonding and Molecular Structure.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Octet exceptions
C. σ and π bonds
D. Chemical Bonding and Molecular Structure is an NCERT chapter taught in CBSE Class 11 Chemistry
Answer
B. Octet exceptions
Explanation
Octet exceptions. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Chemical Bonding and Molecular Structure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Chemical Bonding and Molecular Structure in the chapter Chemical Bonding and Molecular Structure.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. VSEPR shapes
D. Hybridisation
Answer
C. VSEPR shapes
Explanation
VSEPR shapes. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Chemical Bonding and Molecular Structure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Chemical Bonding and Molecular Structure in the chapter Chemical Bonding and Molecular Structure.
A. σ and π bonds
B. Hydrogen bond
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Write three points from Chemical Bonding and Molecular Structure in your own words; that is enough for a short-answer start
Answer
A. σ and π bonds
Explanation
σ and π bonds. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Chemical Bonding and Molecular Structure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Chemical Bonding and Molecular Structure in the chapter Chemical Bonding and Molecular Structure.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Hybridisation
C. Chemical Bonding and Molecular Structure is an NCERT chapter taught in CBSE Class 11 Chemistry
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
B. Hybridisation
Explanation
Hybridisation. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Chemical Bonding and Molecular Structure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Chemical Bonding and Molecular Structure in the chapter Chemical Bonding and Molecular Structure.
A. Mix MCQs with short answers so you remember both facts and explanations from Chemical Bonding and Molecular Structure
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. Hydrogen bond
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
C. Hydrogen bond
Explanation
Hydrogen bond. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Chemical Bonding and Molecular Structure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q6MCQ1 markEasy
Choose the correct statement related to Chemical Bonding and Molecular Structure in the chapter Chemical Bonding and Molecular Structure.
A. Write three points from Chemical Bonding and Molecular Structure in your own words; that is enough for a short-answer start
B. Hybridisation
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Chemical Bonding and Molecular Structure is an NCERT chapter taught in CBSE Class 11 Chemistry
Answer
D. Chemical Bonding and Molecular Structure is an NCERT chapter taught in CBSE Class 11 Chemistry
Explanation
Chemical Bonding and Molecular Structure is an NCERT chapter taught in CBSE Class 11 Chemistry. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Chemical Bonding and Molecular Structure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to ΔU=q+w (chemistry sign in the chapter Thermodynamics.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Thermodynamics is an NCERT chapter taught in CBSE Class 11 Chemistry
C. ΔU=q+w (chemistry sign: w=−PΔV)
D. ΔG=ΔH−TΔS
Answer
C. ΔU=q+w (chemistry sign: w=−PΔV)
Explanation
ΔU=q+w (chemistry sign: w=−PΔV). The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Thermodynamics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Thermodynamics in the chapter Thermodynamics.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Hess’s law
D. Extensive vs intensive
Answer
C. Hess’s law
Explanation
Hess’s law. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Thermodynamics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Thermodynamics in the chapter Thermodynamics.
A. ΔG=ΔH−TΔS
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Thermodynamics in your own words; that is enough for a short-answer start
D. Standard enthalpy of formation
Answer
A. ΔG=ΔH−TΔS
Explanation
ΔG=ΔH−TΔS. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Thermodynamics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Thermodynamics in the chapter Thermodynamics.
A. Thermodynamics is an NCERT chapter taught in CBSE Class 11 Chemistry
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Extensive vs intensive
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. Extensive vs intensive
Explanation
Extensive vs intensive. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Thermodynamics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Thermodynamics in the chapter Thermodynamics.
A. Standard enthalpy of formation
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Mix MCQs with short answers so you remember both facts and explanations from Thermodynamics
Answer
A. Standard enthalpy of formation
Explanation
Standard enthalpy of formation. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Thermodynamics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q6MCQ1 markEasy
Choose the correct statement related to Thermodynamics in the chapter Thermodynamics.
A. Write three points from Thermodynamics in your own words; that is enough for a short-answer start
B. Thermodynamics is an NCERT chapter taught in CBSE Class 11 Chemistry
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Extensive vs intensive
Answer
B. Thermodynamics is an NCERT chapter taught in CBSE Class 11 Chemistry
Explanation
Thermodynamics is an NCERT chapter taught in CBSE Class 11 Chemistry. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Thermodynamics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Equilibrium in the chapter Equilibrium.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Kw=10⁻¹⁴ at 25°C
C. Equilibrium is an NCERT chapter taught in CBSE Class 11 Chemistry
D. Kc, Kp
Answer
D. Kc, Kp
Explanation
Kc, Kp. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Equilibrium · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Equilibrium in the chapter Equilibrium.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Le Chatelier
D. pH of strong acids
Answer
C. Le Chatelier
Explanation
Le Chatelier. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Equilibrium · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Equilibrium in the chapter Equilibrium.
A. Write three points from Equilibrium in your own words; that is enough for a short-answer start
B. Kw=10⁻¹⁴ at 25°C
C. Buffer idea as in chapter
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Answer
B. Kw=10⁻¹⁴ at 25°C
Explanation
Kw=10⁻¹⁴ at 25°C. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Equilibrium · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Equilibrium in the chapter Equilibrium.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Equilibrium is an NCERT chapter taught in CBSE Class 11 Chemistry
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. pH of strong acids
Answer
D. pH of strong acids
Explanation
pH of strong acids. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Equilibrium · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Equilibrium in the chapter Equilibrium.
A. Buffer idea as in chapter
B. Mix MCQs with short answers so you remember both facts and explanations from Equilibrium
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
A. Buffer idea as in chapter
Explanation
Buffer idea as in chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Equilibrium · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q6MCQ1 markEasy
Choose the correct statement related to Equilibrium in the chapter Equilibrium.
A. Equilibrium is an NCERT chapter taught in CBSE Class 11 Chemistry
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Equilibrium in your own words; that is enough for a short-answer start
D. pH of strong acids
Answer
A. Equilibrium is an NCERT chapter taught in CBSE Class 11 Chemistry
Explanation
Equilibrium is an NCERT chapter taught in CBSE Class 11 Chemistry. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Equilibrium · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Oxidation in the chapter Redox Reactions.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Balancing in acidic/basic medium
C. Oxidation: increase in ON or loss of e−
D. Redox Reactions is an NCERT chapter taught in CBSE Class 11 Chemistry
Answer
C. Oxidation: increase in ON or loss of e−
Explanation
Oxidation: increase in ON or loss of e−. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Redox Reactions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Redox Reactions in the chapter Redox Reactions.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Electrode idea intro
D. Oxidising agent is reduced
Answer
D. Oxidising agent is reduced
Explanation
Oxidising agent is reduced. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Redox Reactions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Redox Reactions in the chapter Redox Reactions.
A. Write three points from Redox Reactions in your own words; that is enough for a short-answer start
B. Balancing in acidic/basic medium
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Disproportionation
Answer
B. Balancing in acidic/basic medium
Explanation
Balancing in acidic/basic medium. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Redox Reactions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Redox Reactions in the chapter Redox Reactions.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Electrode idea intro
C. Redox Reactions is an NCERT chapter taught in CBSE Class 11 Chemistry
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
B. Electrode idea intro
Explanation
Electrode idea intro. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Redox Reactions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Redox Reactions in the chapter Redox Reactions.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Disproportionation
C. Mix MCQs with short answers so you remember both facts and explanations from Redox Reactions
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
B. Disproportionation
Explanation
Disproportionation. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Redox Reactions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q6MCQ1 markEasy
Choose the correct statement related to Redox Reactions in the chapter Redox Reactions.
A. Redox Reactions is an NCERT chapter taught in CBSE Class 11 Chemistry
B. Write three points from Redox Reactions in your own words; that is enough for a short-answer start
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Electrode idea intro
Answer
A. Redox Reactions is an NCERT chapter taught in CBSE Class 11 Chemistry
Explanation
Redox Reactions is an NCERT chapter taught in CBSE Class 11 Chemistry. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Redox Reactions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Organic Chemistry – Some Basic Principles and Techniques in the chapter Organic Chemistry – Some Basic Principles and Techniques.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. IUPAC naming
C. Organic Chemistry – Some Basic Principles and Techniques is an NCERT chapter taught in CBSE Class 11 Chemistry
D. Nucleophile and electrophile
Answer
B. IUPAC naming
Explanation
IUPAC naming. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Organic Chemistry – Some Basic Principles and Techniques · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Organic Chemistry – Some Basic Principles and Techniques in the chapter Organic Chemistry – Some Basic Principles and Techniques.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Inductive, resonance, hyperconjugation
D. Purification methods
Answer
C. Inductive, resonance, hyperconjugation
Explanation
Inductive, resonance, hyperconjugation. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Organic Chemistry – Some Basic Principles and Techniques · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Organic Chemistry – Some Basic Principles and Techniques in the chapter Organic Chemistry – Some Basic Principles and Techniques.
A. Write three points from Organic Chemistry – Some Basic Principles and Techniques in your own words; that is enough for a short-answer start
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Nucleophile and electrophile
D. Isomerism types
Answer
C. Nucleophile and electrophile
Explanation
Nucleophile and electrophile. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Organic Chemistry – Some Basic Principles and Techniques · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Organic Chemistry – Some Basic Principles and Techniques in the chapter Organic Chemistry – Some Basic Principles and Techniques.
A. Purification methods
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Organic Chemistry – Some Basic Principles and Techniques is an NCERT chapter taught in CBSE Class 11 Chemistry
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
A. Purification methods
Explanation
Purification methods. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Organic Chemistry – Some Basic Principles and Techniques · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Organic Chemistry – Some Basic Principles and Techniques in the chapter Organic Chemistry – Some Basic Principles and Techniques.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Mix MCQs with short answers so you remember both facts and explanations from Organic Chemistry – Some Basic Principles and Techniques
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Isomerism types
Answer
D. Isomerism types
Explanation
Isomerism types. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Organic Chemistry – Some Basic Principles and Techniques · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q6MCQ1 markEasy
Choose the correct statement related to Organic Chemistry – Some Basic Principles and Techniques in the chapter Organic Chemistry – Some Basic Principles and Techniques.
A. Purification methods
B. Write three points from Organic Chemistry – Some Basic Principles and Techniques in your own words; that is enough for a short-answer start
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Organic Chemistry – Some Basic Principles and Techniques is an NCERT chapter taught in CBSE Class 11 Chemistry
Answer
D. Organic Chemistry – Some Basic Principles and Techniques is an NCERT chapter taught in CBSE Class 11 Chemistry
Explanation
Organic Chemistry – Some Basic Principles and Techniques is an NCERT chapter taught in CBSE Class 11 Chemistry. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Organic Chemistry – Some Basic Principles and Techniques · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
FAQs
Are these official CBSE board questions?
No. They are original practice questions aligned to NCERT topics used in CBSE classrooms. Official sample papers are published on cbseacademic.nic.in.
Will these questions appear in the board exam?
Nobody can promise a question. Use them for revision of frequently tested concepts and exam-style practice.
Is the chapter list the latest NCERT list?
Yes, the catalog follows current NCERT textbooks used in CBSE schools (including new middle-stage books such as Ganita Prakash and Curiosity). Always match the book issued by your school.
Where are NCERT solutions?
Open the NCERT-style practice link on this subject or chapter. For word-for-word textbook exercise answers, use the NCERT book itself; we do not copy solution keys from other websites.
What is the suggested URL pattern?
Hub /cbse/, then /cbse/class-11/, then subject and chapter slugs.
Why is this a separate URL?
So students searching for “Revision Questions” land on a filtered set, while the chapter page remains the full 100-question bank. Same facts, different search intent.
Today's 3-step path
Follow this loop every day: mixed test, current affairs, then today's subject. A new set arrives tomorrow.
