Multiple choice

Coal gas is obtained by strong heating of coal in the absence of air. It is a mixture of which of the following gases?

a. Methane b. Hydrogen c. Carbon monoxide d. Carbon dioxide

  1. Only a and d

  2. Only c and d

  3. Only a, b and c

  4. Only b and d

  5. Only b, c and d
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option. Coal gas is a mixture of methane, hydrogen and carbon monoxide.

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