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 21: फूल्स गोल्ड किसे कहते हैं ?
[A] As2S3
[B] Sb2S5
[C] Fes2
[D] Cu-Zn मिश्रधातु
Show Answer
Correct Answer :[C] Fes2
Que 22: कैसिटेराइट अयस्क है-
[A] Mn का
[B] Ni का
[C] Sb का
[D] Sn का
Show Answer
Correct Answer :[D] Sn का
Que 23: किस यौगिक या यौगिकों की चतुष्फलक आकृति है?