MCQ
Most acidic oxide is
- A$N{a_2}O$
- B$ZnO$
- C$MgO$
- ✓${P_2}{O_5}$
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$CO + \frac{1}{2}{O_2} \to C{O_2};\,\Delta H = - 24\,kJ$ The heat of formation of $C{O_2}$ is .....$kJ$