Column A Column B 1. A mixture of oxygen and carbon dioxide used for artificial respiration. (a) Manganese dioxide
Match the statements in Column A, with those in Column B.
| Column A | Column B |
| 1. A mixture of oxygen and carbon dioxide used for artificial respiration. | (a) Manganese dioxide |
| 2. A compound which on strong heating yields oxygen gas. | (b) Sodium |
| 3. The process of coating zinc on the surface of iron to prevent rusting. | (c) Carbogen |
| 4. A catalyst used in laboratory preparation of oxygen from hydrogen peroxide. | (d) Potassium nitrate |
| 5. A metal which burns with a golden yellow flame in oxygen. | (e) Galvanising |
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| Column A | Column B |
| 1. A mixture of oxygen and carbon dioxide used for artificial respiration. | (c) Carbogen |
| 2. A compound which on strong heating yields oxygen gas. | (d) Potassium nitrate |
| 3. The process of coating zinc on the surface of iron to prevent rusting. | (e) Galvanising |
| 4. A catalyst used in laboratory preparation of oxygen from hydrogen peroxide. | (a) Manganese dioxide |
| 5. A metal which burns with a golden yellow flame in oxygen. | (b) Sodium |
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