Multiple choice

Sunny was feeling suffocated in his room when he noticed something was burning. Which of the following gas was causing suffocation in the room?

  1. Oxygen

  2. Carbon dioxide

  3. Nitrogen

  4. Helium

  5. Argon

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

Yes, it is correct. The suffocation was due to excess of carbon dioxide that might have been accumulating in the room, as the burning continued.