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Small quantities of hydrogen and helium gas at the same temperature are released simultaneously at one end of a laboratory. State with reason which gas is more likely to be detected at the other end.​
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Small quantities of hydrogen and helium gas at the same temperature are released simultaneously at one end of a laboratory. State with reason which gas is more likely to be detected at the other end.​

User SIM
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2 Answers

4 votes

Answer:

Hydrogen

Step-by-step explanation:

It is lighter than helium

User Will Howell
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1 vote

Answer:

hydrogen

Step-by-step explanation:

it diffuses faster compared to helium since it is less dense

User Virusrocks
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