Bihar Board Class 12th Chemistry Model Objective 2022

Class 12th chemistry model paper 2022

12th BSEB Model Paper 2022

 

1. जटिल यौगिक [CO (C2O4)2 (NH3)2 ] के कितने संभव समावयव है

A) 1

B) 2

C) 3

D) 4

 

 

 

Ans = B

2. ज्वीटर आयन बनाने में कौन समर्थ है

A) CH3NO2

B) CH3COOH

C) CH3CH2NH2

D) H2NCH2COOH

Ans = D

 

 

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