Question

Although charcoal is a clean and a better source of heat energy yet it cannot be used as a source of heat energy yet it cannot be used as a domestic fuel because it
(a) cause environmental pollution
(b) produce less heat energy
(c) cannot be stored easily
(d) is expensive fuel
​

Answer 1

Answer:

(a)cause environmet pollution i.e air pollution.

MARK AS BRAINLIEST PLS

Answer 2

Answer: it is an expensive fuel

Because of the characteristic of high porous, activated charcoal can adsorb not only heavy metal but also some organic chemicals. ... And the capacity of adsorption of activated charcoal is really high compared with other adsorbents. However, although it is an excellent adsorbent, it is also expensive for adsorption.