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Chemistry · May / June 2025 · Paper 11 · Question 1

5070Diffusion

Four gases are listed. 1 CH4 2 NH3 3 CO2 4 N2 What is the order of their rate of diffusion at room temperature and pressure?

  1. A1 2 4 3
  2. B2 1 3 4
  3. C3 4 2 1
  4. D4 1 3 2

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Correct answer: C. 3 4 2 1

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