Which of the following statement is not correct about carbon dioxide acting as a fire extinguisher for electrical fires?
  1. it is heavier than air
  2. it is lighter than air
  3. it is not combustion
  4. it does not support combustion

Correct answer: B. it is lighter than air

Explanation: Carbon dioxide is lighter than air and forms a layer around the burning substance. It covers the fire like a blanket due to which fresh air cannot reach the burning substance.


Simply Easy Learning

Updated on: 10-Oct-2022


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