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SSC GD CONSTABLESSC GD CONSTABLE Hard Mock Set 1Hard GK

SSC GD CONSTABLE Mock Test Set 1, 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: SSC GD CONSTABLE. Set: 1.
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