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selvavinayagam Thangavelu
's Polls
GK
The gas used to extinguish fire, is
A. Carbon Monoxide
0 votes (0%)
A. Carbon Monoxide
B. Neon
0 votes (0%)
B. Neon
C. Nitrogen
0 votes (0%)
C. Nitrogen
D. Carbon Dioxide
6 votes (100%)
D. Carbon Dioxide
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