Chemistry · Oct / Nov 2021 · Paper 11 · Question 7
5070Diffusion
The rate of diffusion of carbon dioxide and methane is investigated at two different temperatures, one high and one low. Which row correctly shows the gas that diffuses faster and the temperature at which diffusion takes place most rapidly?
- Acarbon dioxide — high
- Bcarbon dioxide — low
- Cmethane — high
- Dmethane — low
As printed in the paper
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Correct answer: C. methane — high
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