Multiple choice

A few people were staying in a room. On a cold night, when there was no electricity, one of them suggested that they burn coal in the room in order to get warmth. The others immediately declined this option. What could be the reason for this?

  1. Carbon monoxide is produced.

  2. Coal is expensive.

  3. Black soot will get deposited.

  4. Carbon dioxide is produced.

  5. Coal will get over-heated.

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

Carbon monoxide is produced, and this can be fatal for the people in the room.