Physics · May / June 2024 · Paper 12 · Question 19
5054Particle model
A transparent box has a dividing wall in its middle. It contains two different gases, one in each half, as shown. The dividing wall is removed. The box is left for a long time. The gases do not react. What is then seen in the box?
- Abrown gas on the right and colourless gas on the left
- Bpale brown gas throughout
- Cseveral distinct clouds of colourless and brown gas throughout
- Dcolourless gas on the right and brown gas on the left
As printed in the paper
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Correct answer: B. pale brown gas throughout
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