Chemistry · Combustion and Flame
Given below are two statements. One is labelled as Assertion (A) and the other as Reason (R). Assertion (A): Carbon Dioxide (CO2) is the best extinguisher for fires involving electrical equipment and inflammable materials like petrol. Reason (R): CO2, being heavier than oxygen, covers the fire like a blanket, cutting off contact between fuel and oxygen, thereby controlling the fire.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(A) is false but (R) is true.
- 2(A) is true but (R) is false.
- 3Both (A) and (R) are true but (R) is not the correct explanation of (A).
- 4Both (A) and (R) are true and (R) is the correct explanation of (A).✓
Correct answer
Both (A) and (R) are true and (R) is the correct explanation of (A).
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