MCQ
Distillation of organic liquid is done :
- ✓on its boiling point
- Bon its melting point
- Con temperature less than boiling point
- Don temperature more than boiling point
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${H_2}(g) + \frac{1}{2}{O_2}(g) \to {H_2}O(g)$ is $\Delta {H_1}$ and that of
${H_2}(g) + \frac{1}{2}{O_2}(g) \to {H_2}O(l)$ is $\Delta {H_2}$. Then