Which of the following statements indicates that law of multiple proportion is being followed?
- ASample of carbon dioxide taken from any source will always have carbon and oxygen in the ratio 1: 2.
- BCarbon forms two oxides namely CO₂ and CO, where masses of oxygen which combine with fixed mass of carbon are in the simple ratio 2: 1.
- CWhen magnesium burns in oxygen, the amount of magnesium taken for the reaction is equal to the amount of magnesium in magnesium oxide formed.
- DAt constant temperature and pressure, 200 mL of hydrogen will combine with 100 mL oxygen to produce 200 mL of water vapour.
✓ Correct answer: B
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