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प्रश्न
Match the items of Column A with the items of Column B.
| Column A | Column B |
| (a) Oxides of sulphur and nitrogen | (i) fire extinguisher |
| (b) CNG | (ii) incomplete combustion of coal |
| (c) Oxygen | (iii) very low ignition temperature |
| (d) inflammable substance | (iv) acid rain |
| (e) carbon dioxide | (v) necessary for combustion |
| (f) carbon monoxide | (vi) fuel for automobiles |
उत्तर
| Column A | Answers |
| (a) Oxides of sulphur and nitrogen | (iv) acid rain |
| (b) CNG | (vi) fuel for automobiles |
| (c) Oxygen | (v) necessary for combustion |
| (d) inflammable substance | (iii) very low ignition temperature |
| (e) carbon dioxide | (i) fire extinguisher |
| (f) carbon monoxide | (ii) incomplete combustion of coal |
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