MCQ
Who discovered neutron
- ✓James Chadwick
- BWilliam Crooks
- CJ.J. Thomson
- DRutherford
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Given : Atomic masses of $C , H$ and $N$ are $12,1$ and $14\, amu$ respectively.
The molar mass of the compound $A$ is $162\, g\, mol ^{-1}$.