WAEC Chemistry 2025 Theory — Question 44

Question 44 of 70 from the West African Examinations Council (WAEC) Chemistry 2025 Theory paper, with the correct answer and a full explanation.

4(c)(i). State two physical properties of I. Chlorine; II. Hydrogen chloride.

Model answer

Chlorine: greenish-yellow gas, pungent/irritating smell, moderately soluble in water, denser than air. Hydrogen chloride: colourless gas, sharp/irritating smell, denser than air, highly soluble in water.

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