Question

4. Choose the correct answer.
‘Difusion’ occurs more quickly in a gas than in a liquid because:
(a) molecules in a gas have more frequent collisions than molecules in a liquid.
(b) gas molecules are larger.
(c) gas molecules move randomly.
(d) on average, molecules in a gas are further apart than molecules in a liquid.
(e) heat is needed to cause difusion in a liquid

Answer 1

Answer:

(D) On average, molecules in a gas are further apart than molecules in a liquid.

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