Chemistry · Properties of Gases
In the context of four common gases, namely Oxygen (O2), Chlorine (Cl2), Carbon dioxide (CO2), and Carbon monoxide (CO), select the correct row from the table below:
| Option | Product of respiration | Product of incomplete combustion | Used in water purification system | Acidic oxide |
|---|---|---|---|---|
| A | CO2 | CO | O2 | CO |
| B | CO2 | CO2 | Cl2 | CO2 |
| C | O2 | CO | Cl2 | CO2 |
| D | CO2 | CO | Cl2 | CO2 |
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A
- 2B
- 3C
- 4D✓
Correct answer
D
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