Which substance is formed by the carbonisation of dead vegetation?
  1. Coal
  2. Coke
  3. Coal gas
  4. Coal tar

AcademicChemistryNCERTClass 8

Correct Answer: (a) Coal

Explanation: Coal is formed by the decomposition of large land plants and trees buried under the earth about 300 million years ago.

Updated on 10-Oct-2022 13:25:15