Question

Coal is a fossil fuel and it cannot be prepared in a laboratory or industry because the formation of coal:
A. Is a very slow process
B. Needs very low pressure and low temperature
C. Needs very high pressure and high temperature
D. Causes air pollution
Select the correct statement.

• A. A and B
• B. B and D
• C. A and C
• D. D and C

Answer 1

The correct option is C

A and C

Coal is formed by the carbonisation of dead plants and animals, that have been buried millions of years ago. High temperatures and high pressure are required to form the coal, thus formation of coal takes place deep in the earth, not in the laboratory.