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Siva Mani Kannan G
's Polls
Which of the following gases is used for refrigeration ?
Which of the following gases is used for refrigeration ?
A. Chlorine
0 votes (0%)
A. Chlorine
B. Sulphur dioxide
2 votes (33%)
B. Sulphur dioxide
C. Ammonia
4 votes (66%)
C. Ammonia
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Wolmal
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