MCQ
The first law of thermodynamics is only
- AThe law of conservation of energy
- BThe law of conservation of mass
- CThe law of conservation of momentum
- ✓Both $ (a)$ and $(b)$
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Incorrect statement for $Q$ is
( $Ba = 137,\,\,Cl = 35.5,\,\,S = 32,\,\,H = 1$ and $O = 16$ )
