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 Form 4 Chemistry Paper 1 Sample Revision Questions With Answers

Explain the observation made in the experiment whose set up is shown below.
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Answer Text:
The level of water in the tube is lowered. H2 is lighter than O2 hence H2 diffuses from the gas jar into the porous pot at a faster rate than diffusion of O2 from the porous pot into the gas jar Pressure increases in the porous pot pushing the water level downwards.


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