NCERT Solutions for Class 12 Chemistry (Rasayan Vigyan) - Test 2
Download NCERT Solutions for Class 12 Chemistry (Rasayan Vigyan) updated for 2022-23. Our solutions cover key chapters like Surface Chemistry, Solid State, and other essential topics in chemistry. These study materials are designed to help students excel in their UP Board and CBSE exams.
Que 1: गोताखोरी में श्वसन हेतु यंत्रों में किन गैसों का मिश्रण प्रयुक्त होता है?
[A] नाइट्रोजन + ऑक्सीजन
[B] नियॉन + ऑक्सीजन
[C] हीलियम + ऑक्सीजन
[D] क्रिप्टन + ऑक्सीजन
Show Answer
Correct Answer :
[C] हीलियम + ऑक्सीजन
Que 2: निम्न में किस समूह को सिक्का धातु कहते हैं
[A] Cu, Ag, Au
[B] Ru, Rn, Pd
[C] Fe, CO, Ni
[D] O, I, Pt
Show Answer
Correct Answer :
[A] Cu, Ag, Au
Que 3: निम्नलिखित में कौन-सा आयन रंगहीन है?
[A] Cu+
[B] Co2+
[C] Ni2+
[D] Fe3+
Show Answer
Correct Answer :
[A] Cu+
Que 4: किस यौगिक या यौगिकों की चतुष्फलक आकृति है?
[A] [NiCl4]2-
[B] [Ni(CN)4]2-
[C] [PdCl4]2-
[D] [NiCl4]2- और [PdCl4]2- दोनों
Show Answer
Correct Answer :
[D] [NiCl4]2- और [PdCl4]2- दोनों
Que 5: फूल्स गोल्ड किसे कहते हैं ?
[A] As2S3
[B] Sb2S5
[C] Fes2
[D] Cu-Zn मिश्रधातु
Show Answer
Correct Answer :
[C] Fes2
Que 6: निम्न में किसके आयनिक विभव का मान अधिकतम है।
[A] Al
[B] Si
[C] P
[D] Mg
Show Answer
Correct Answer :
[C] P
Que 7: उपधातु है –
[A] S
[B] Sb
[C] P
[D] B
Show Answer
Correct Answer :
[B] Sb
Que 8: H2SO4 है –
[A] अम्ल
[B] भष्म
[C] क्षार
[D] लवण
Show Answer
Correct Answer :
[A] अम्ल
Que 9: अमोनियम मैगनेट का सूत्र है
[A] NH4MnO4
[B] (NH4)2MnO4
[C] NH4(MnO4)2
[D] NH4Mn2O4
Show Answer
Correct Answer :
[B] (NH4)2MnO4
Que 10: सोना धातु (Au) का ऑक्सीकरण संख्या होता है
[A] +1
[B] 0
[C] -1
[D] इनमें से सभी
Show Answer
Correct Answer :
[A] +1
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