Multiple choice

The process of heating coal in the absence of air (oxygen) is called _________.

  1. distillation

  2. fractional distillation

  3. destructive distillation

  4. steam distillation

  5. extractive distillation

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When coal is heated without air, it does not burn but produces many by-products. This process of heating coal in the absence of air is called destructive distillation of coal.