MCQ
A quantity that cannot be directly measured is :
- AHeat of formation of $\ce{H_2O(l)}$
- ✓Heat of formation of $\ce{CH_4(g)}$
- CLatent heat of fusion of ice
- DHeat of combustion of ethyl alcohol
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$xBrO_3\,^-+ yCr^{+3} + zH_2O \to Br_2 + CrO_4 ^{-2} + H^+$
the coefficients $x, y, z$ are