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प्रश्न
Match the colunm
| column A | column B |
| 1. A product of incomplete burning | a. Hopcolite |
| 2. Nature of carben monoxide | b. Combustible gas |
| 3. A compound formed by the combination of haemoglobin and carbon monoxide | c. carboxy-haemoglobin |
| 4. A mixture of metallic oxides | d. Carbon monoxide |
| 5. Carbon monoxide | e. Highly poisonous |
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उत्तर
| column A | column B |
| 1. A product of incomplete burning | d. Carbon monoxide |
| 2. Nature of carben monoxide | e. Highly poisonous |
| 3. A compound formed by the combination of haemoglobin and carbon monoxide | c. Carboxy - haemoglobine |
| 4. A mixture of metallic oxides | a. Hopcolite |
| 5. Carbon monoxide | b. Combustible gas |
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