Question

Give any two examples of bases which are insoluble in water

Answer 1

$\huge\red{Answer}$

Copper (II) Hydroxide [Cu(OH)2] and Calcium hydroxide [Ca(OH)2] are bases which are insoluble in water. Bases like sodium hydroxide (NaOH), potassium hydroxide (KOH), barium hydroxide [Ba(OH)] are soluble in water. Hence, these are known as alkalis.

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Answer 2

Copper (II) Hydroxide [Cu(OH)2] and Calcium hydroxide [Ca(OH)2] are bases which are insoluble in water.