KnowledgeBoat Logo
|

Chemistry

Assertion (A): Carbon dioxide is used in fire extinguishers.

Reason (R): CO2 gas is a non supporter of combustion, which cuts off the supply of oxygen to fire.

  1. Both A and R are true and R is the correct explanation of A.
  2. Both A and R are true but R is not the correct explanation of A.
  3. A is true but R is false.
  4. A is false but R is true.

Carbon dioxide

3 Likes

Answer

Both A and R are true and R is the correct explanation of A.

Explanation — Carbon dioxide is used in fire extinguishers as CO2 gas cuts off the supply of oxygen to fire, thus helping to extinguish it.

Answered By

2 Likes


Related Questions