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In which experiment does the volume ratio of the gases obtained indicate the composition of water?

Answer and explanation

Correct answer: Electrolysis of water

Electrolysis of water produces hydrogen and oxygen gases. The volume of hydrogen is twice the volume of oxygen, so their volume ratio is 2:1. This indicates the combining ratio of hydrogen and oxygen in water. In contrast, burning magnesium mainly forms magnesium oxide and does not produce gases in this ratio.

Related tags

ScienceClass-10Chemical-ReactionsElectrolysisWater-Composition

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