Q15Multiple choice
Which of the following statements indicates that law of multiple proportion is being followed.
- (i)Sample of carbon dioxide taken from any source will always have carbon and oxygen in the ratio 1:2.
- (ii)Carbon 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.
- (iii)When magnesium burns in oxygen, the amount of magnesium taken for the reaction is equal to the amount of magnesium in magnesium oxide formed.
- (iv)At constant temperature and pressure 200 mL of hydrogen will combine with 100 mL oxygen to produce 200 mL of water vapour.
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(ii) Carbon 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.