Match the following: List I List II A. Carbon dioxide 1. Reducing agent B. Chlorine 2. Anaesthetic in dentistry C. Hydrogen 3. Bleaching powder D. Nitrous oxide 4. Refrigerant Codes A B C D

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Match the following: List I List II A. Carbon dioxide 1. Reducing agent B. Chlorine 2. Anaesthetic in dentistry C. Hydrogen 3. Bleaching powder D. Nitrous oxide 4. Refrigerant Codes A B C D