Categories: Chemistry WAEC

Which of the following hydroxides is not readily soluble in water?

A. NH4OH
B. Ca(OH)2
C. NaOH
D. KOH

Correct Answer:

Option B = Ca(OH)2

Explanation

-The hydroxides of sodium, potassium, and ammonium are very soluble in water. The hydroxides of calcium and barium are moderately soluble.

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