Multiple choice

Why is it dangerous to have charcoal burning in a closed room?

  1. Burning charcoal produces a poisonous gas called carbon monoxide.

  2. It consumes the whole of the oxygen and man cannot breathe

  3. Smoke suffocates.

  4. None of the above

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A Correct answer
Explanation

Incomplete combustion of charcoal in a closed space produces carbon monoxide, a colorless, odorless, and highly toxic gas that binds to hemoglobin more strongly than oxygen, leading to suffocation.