Multiple choice

Which of the following gases produced during burning of coal can cause death of a person if he/she burns coal in a closed room?

  1. Carbon dioxide

  2. Carbon monoxide

  3. Carbon sulphide

  4. Carbon disulphide
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carbon monoxide is a colorless, odorless, and highly toxic gas produced during incomplete combustion of coal. It binds to hemoglobin 200+ times more strongly than oxygen, preventing oxygen transport in the body and causing asphyxiation, which can be fatal in closed spaces.

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