Chemistry
Match the following:
| Column A | Column B |
|---|---|
| (a) Global warming | (i) Hydrated ferric oxide |
| (b) Acid rain | (ii) Manganese dioxide |
| (c) Rust | (iii) Carbon dioxide |
| (d) Catalyst | (iv) Methane |
| (e) Photosynthesis | (v) Nitrogen dioxide |
Oxygen
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Answer
| Column A | Column B |
|---|---|
| (a) Global warming | (iv) Methane |
| (b) Acid rain | (v) Nitrogen dioxide |
| (c) Rust | (i) Hydrated ferric oxide |
| (d) Catalyst | (ii) Manganese dioxide |
| (e) Photosynthesis | (iii) Carbon dioxide |
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