WAEC Chemistry 2021 Theory — Question 6
Question 6 of 31 from the West African Examinations Council (WAEC) Chemistry 2021 Theory paper, with the correct answer and a full explanation.
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1(f). Consider the following salts: Mg(NO3)2, CaCO3, Na2SO4. State which of the salts is/are: (i) readily soluble in water; (ii) insoluble in water.
Model answer
(i) Mg(NO3)2 and Na2SO4 are readily soluble in water. (ii) CaCO3 is insoluble in water.
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