JAMB Chemistry 2013 Objective — Question 14

Question 14 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2013 Objective paper, with the correct answer and a full explanation.

An example of a hygroscopic substance is

A. CaCl2
B. NaOH(aq)
C. CaO(s)Correct
D. MgCl2(aq)

Explanation

Hygroscopic substances absorb water and become sticky when exposed to the atmosphere. CaO is a good example.

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