UPSC CAPF Assistant Commandant Model Paper 4
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Question : 73 of 125
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Match List - I with List-II and select the correct answer from the codes given below the lists:
| List - I (Phenomenon) | List – II (Compounds) |
| A. Acid rain | 1. Chlorofluoro Carbon |
| B. Photochemical smog | 2. Carbon monoxide |
| C. Combination with haemoglobin | 3. Sulphur dioxide |
| D. Depletion of the ozone layer | 4. Unsaturated hydrocarbons |
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