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Which gas is adsorbed more by 1g of activated charcoal: methane or sulphur dioxide?

Options

  1. AMethane
  2. BSulphur dioxide
  3. CBoth are adsorbed equally.
  4. DCannot be determined from the information given.

Correct answer

B. Sulphur dioxide

Step-by-step solution

The paragraph states that activated charcoal adsorbs more sulphur dioxide (critical temperature 630K) than methane (critical temperature 190K).

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