Question

oxygen is more heavier than hydrogen - spot the error & correct it​

Answer 1

Air consists of gases like nitrogen, oxygen and carbon dioxide etc which leads to an increase in it's mass. ... Whereas hydrogen is lighter than all of the gases present in air. Therefore, Hydrogen gas is lighter than air...

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Answer 2

Explanation:

Explanation: Air consists of gases like nitrogen, oxygen and carbon dioxide etc which leads to an increase in it's mass. ... Whereas hydrogen is lighter than all of the gases present in air. Therefore, Hydrogen gas is lighter than air.