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  • Why is the amount of gas collected in one of the test tubes in Activity double of the amount collected in the other? Name this gas.

Q 2.     Why is the amount of gas collected in one of the test tubes in Activity  double of the amount collected in the other? Name this gas.

Answers (3)

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Water contain one part oxygen and two parts hydrogen.During electrolysis, oxygen and hydrogen are produced in 1:2 ratio.In electrolysis oxygen goes in one test tube and hydrogen in second test tube,so the amount of gas collected in second test tube is double of first one.

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seema garhwal

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electrolysis of water takes place 1 molecules of water contain to atom of hydrogen H2 and one atom of Oxygen O2 there for electrolysis two molecules of water and one molecules of oxygen is formed to molecules of water H2O that the amount of hydrogen has collected iron tube is double that one of the oxygen collected in other by volume 

Posted by

Raj Gupta

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water contain two parts hydrogen and one part of oxygen. therefore the amount of hydrogen and oxygen produced during electrolysis of water 2:1 during electrolysis is hydrogen goes to one test tube and goes to another amount of gas collected is one of test tube is double of the amount collected in other.

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Azra Saifi

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