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UPSSSC VARIOUS EXAMSUPSSSC VARIOUS EXAMS Hard Mock Set 5Hard GK

UPSSSC VARIOUS EXAMS Mock Test Set 5, Q29: Identify the correct answer for gas used in many electrical fire extinguishers.

A. Oxygen
B. Nitrogen dioxide
C. Carbon dioxide
D. Hydrogen
Correct Answer: C. Carbon dioxide
Explanation: CO2 does not support combustion. Category: UPSSSC VARIOUS EXAMS. Set: 5.
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