Multiple choice

A chemical process in which a substance reacts with o2 to give oxygen is called ——————————.

  1. Flame

  2. Fuel

  3. Gas

  4. Combustion

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

Combustion is a chemical process where a substance reacts rapidly with oxygen (O2), releasing energy in the form of heat and light. The definition in the question has an error - combustion gives CO2 and water, not oxygen.