WAEC Chemistry 2014 Theory — Question 8

Question 8 of 38 from the West African Examinations Council (WAEC) Chemistry 2014 Theory paper, with the correct answer and a full explanation.

1(g). Define the term efflorescence.

Model answer

Efflorescence is the process by which a hydrated crystalline salt loses part or all of its water of crystallization to the atmosphere, forming a powdery deposit on its surface, when exposed to air.

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