WAEC Chemistry 2020 Objective — Question 36
Question 36 of 50 from the West African Examinations Council (WAEC) Chemistry 2020 Objective paper, with the correct answer and a full explanation.
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Which of the following statements about the solubility of a salt is correct?
- A. A salt whose solubility increases with temperature would not crystallize easily on cooling
- B. A salt whose solubility is independent of temperature would normally crystallize out on cooling
- C. Crystallization would be efficient in separating out a salt whose solubility increases considerably with temperatureCorrect
- D. Solubility of a solid does not affect its crystallization
Explanation
Crystallization would be efficient in separating out a salt whose solubility increases as temperature increases and decreases as temperature decreases.
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