Question

Why the amount of gas collected in one of the tubes in Activity 1.7 double of the amount collected in the other? Name this gas.

Answer 1

Answer:

The gas which is collected in double the amount in the electrolysis of water experiment is hydrogen. This is because water contains 2 parts of hydrogen element as compared to only 1 part of oxygen element.

Explanation:

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Answer 2

Answer:

Water contains two parts of hydrogen and one part oxygen.

Therefore, during the electrolysis of water the amount of hydrogen gas collected in one of the test tubes is double than that of the oxygen produced and collected in the other test tube.

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