The process by which oxidation of food in our body takes place is
- Aphotosynthesis
- ✓respiration
- Cdecomposition
- Dcombustion
Answer: B.
View full solution →196 questions across 8 question groups — pick any mix to generate a CHEMISTRY paper with step-by-step answer keys.
MCQ
14 Q→02[1 Mark Question Answer]
107 Q→03[2 Mark Question Answer]
37 Q→04[3 Mark Question Answer]
6 Q→05[5 Mark Question Answer]
3 Q→06Fill in the blanks.
16 Q→07TRUE / FALSE
10 Q→08Match The Following.
3 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Answer: B.
View full solution →Answer: C.
View full solution →Answer: A.
View full solution →Answer: D.
View full solution →Answer: D.
View full solution →| Column A | Column B |
| (a) Global warming | 1. Hydrated ferric oxide |
| (b) Acid rain | 2. Manganese dioxide |
| (c) Rust | 3. Carbon dioxide |
| (d) Catalyst | 4. Methane |
| (e) Photosynthesis | 5. Nitrogen Dioxide |
| Column A | Column B |
| 1. Largest Constituent of air, which dilutes the activity of oxygen. | (a) Oxygen |
| 2. A gas used for filling weather observeation balloons. | (b) Carbonic acid |
| 3. An acid formed by the dissolution of sulphur dioxide gas in water. | (c) Sulphuric acid |
| 4. An acid formed by the dissolution of carbon dioxide in water. | (d) Helium |
| 5. A gas vital for respiration. | (e) Nitrogen |
| Column A | Column B |
| 1. Largest Constituent of air, which dilutes the activity of oxygen. | (a) Oxygen |
| 2. A gas used for filling weather observation balloons. | (b) carbon acid |
| 3. An acid formed by the dissolution of sulphur dioxide gas in water. | (c) Sulphur acid |
| 4. An acid formed by the dissolution of carbon dioxide in water. | (d) Helium |
| 5. A gas vital for respiration. | (e) Nitrogen |
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