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.

SEE ALSO  Which of the following gases contains the least number of atoms at s.t.p?

Copyright warnings! Do not copy.