MCQ
An exothermic reaction is one which
- ATakes place only on heating
- BIs accompanied by a flame
- CIs accompanied by a absorption of heat
- ✓Is accompanied by evolution of heat
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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 $162\, g\, mol ^{-1}$.
