Question

Wood charcoal is used in the

• A. purification of water
• B. manufacture of tyres
• C. cutting of glass
• D. manufacture of coke

Answer 1

The correct option is A

purification of water

Explanation for the correct option:

(A) Wood charcoal is one of the type of charcoal which is an amorphous allotrope of carbon. It is a black, highly porous solid. Due to the porosity it provides a large surface area for the adsorption. It acts as a good adsorbent, hence can be used as a water purifier to adsorb impurities from the contaminated water.

Explanation for incorrect option:

(B) Among amorphous forms of carbon lampblack is used in manufacturing tyres, as they can be added to the rubber as a stabilizing compound.

(C) Diamond being the hardest substance is used to cut glass.

(D) Coke is manufactured by the destructive distillation of coal.

Thus, option (A) is correct. Wood charcoal is used in the purification of water.