Question

Coal tar is a black, thick------with an --------smell.

• A. liquid
• B. unpleasant

Answer 1

1. Coal tar is a black, thick liquid with an unpleasant smell.
2. It is obtained as a by-product in the process of making coke.
3. Though its color is the same as coke, tar is a highly viscous liquid. It also has an extremely unpleasant smell
4. Coal tar is widely used to manufacture paints, perfumes, synthetic dyes, photographic material, drugs, and explosives.
5. It can be utilized to make insecticides and pesticides. Naphthalene balls that are commonly used to keep moths away are made from tar.
6. Coal tar is an ingredient in anti-dandruff and lice-repelling shampoos, soaps, and ointments.

Therefore the correct answer to be filled in the blank will be liquid and unpleasant.