Very Short Answer Questions · original practice
Very Short Answer Questions for Class 10 Science Chemical Reactions and Equations. 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.
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A precipitate is an insoluble solid formed in a double-displacement reaction.
ExplanationA one-mark answer should use the textbook term and one clear fact — not a long paragraph.
MetaClass: Class 10 · Subject: Science · Chapter: Chemical Reactions and Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
A chemical equation must be balanced for mass.
ExplanationA one-mark answer should use the textbook term and one clear fact — not a long paragraph.
MetaClass: Class 10 · Subject: Science · Chapter: Chemical Reactions and Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Combination, decomposition, displacement, double displacement.
ExplanationA one-mark answer should use the textbook term and one clear fact — not a long paragraph.
MetaClass: Class 10 · Subject: Science · Chapter: Chemical Reactions and Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Redox: oxidation is gain of oxygen or loss of electrons as taught.
ExplanationA one-mark answer should use the textbook term and one clear fact — not a long paragraph.
MetaClass: Class 10 · Subject: Science · Chapter: Chemical Reactions and Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Exothermic vs endothermic.
ExplanationA one-mark answer should use the textbook term and one clear fact — not a long paragraph.
MetaClass: Class 10 · Subject: Science · Chapter: Chemical Reactions and Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Precipitation reactions.
ExplanationA one-mark answer should use the textbook term and one clear fact — not a long paragraph.
MetaClass: Class 10 · Subject: Science · Chapter: Chemical Reactions and Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
A balanced chemical equation has the same number of atoms of each element on both sides.
ExplanationA one-mark answer should use the textbook term and one clear fact — not a long paragraph.
MetaClass: Class 10 · Subject: Science · Chapter: Chemical Reactions and Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
In a combination reaction two or more substances join to form a single product.
ExplanationA one-mark answer should use the textbook term and one clear fact — not a long paragraph.
MetaClass: Class 10 · Subject: Science · Chapter: Chemical Reactions and Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
A decomposition reaction splits one compound into two or more products, often with heat, light or electricity.
ExplanationA one-mark answer should use the textbook term and one clear fact — not a long paragraph.
MetaClass: Class 10 · Subject: Science · Chapter: Chemical Reactions and Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
A more reactive metal can displace a less reactive metal from its salt solution.
ExplanationA one-mark answer should use the textbook term and one clear fact — not a long paragraph.
MetaClass: Class 10 · Subject: Science · Chapter: Chemical Reactions and Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
No. They are original practice questions aligned to NCERT topics used in CBSE classrooms. Official sample papers are published on cbseacademic.nic.in.
Nobody can promise a question. Use them for revision of frequently tested concepts and exam-style practice.
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.
Try the question first, then tap Show answer. Mix MCQs with long answers. Revise formulas and diagrams from the textbook alongside this set.
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.
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So students searching for “Very Short Answer Questions” land on a filtered set, while the chapter page remains the full 100-question bank. Same facts, different search intent.
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