The given figure represents destructive distillation of coal. Destructive distillation is the strong heating of a substance in the absence of air.

Coal is a fossil fuel and it cannot be prepared in a laboratory or industry because the formation of coal
(I) is a very slow process
(II) needs very low pressure and low temperature
(III) needs very high pressure and high temperature
(IV) causes air pollution

Options

A. (I) and (II)
B. (II) and (IV)
C. (I) and (III)
D. (III) and (IV)

Answer

C

Explanation

(I) and (III)