MCQ
Pollution is mainly caused by :
- AIncrease in population and decrease in natural resources.
- BIndustrialisation.
- CUrbanization and deforestation.
- ✓All the above.
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$C(s) + O_2(g) \to CO_2(g) + x\ kJ$
$CO(g) + \frac {1}{2}O_2(g) \to CO_2(g) + y\,kJ$
The heat of formation of $CO(g)$ is

$PC{l_5}\, \rightleftharpoons \,PC{l_3}\, + \,C{l_2}\,;\,{K_C} = \,0.0414\,mol\,{L^{ - 1}}$