Chemistry · May / June 2025 · Paper 12 · Question 2
5070Diffusion
A gas is produced by a chemical reaction at one side of a laboratory. After a few minutes, the gas is detected at the other side of the laboratory. Which process explains why the gas is detected at the other side of the laboratory?
- Acondensation
- Bdiffusion
- Cdissolving
- Devaporation
As printed in the paper
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Correct answer: B. diffusion
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