NEET Chemistry The s-Block Elements Questions Solved


KOH can be prepared- 

(A) By the electrolysis of potassium chloride solution

(B) By the action of barium hydroxide on potassium sulphate

(C) By the action of lime on potassium chloride

(D) By the action of lime on potassium carbonate.

(B). BaOH2+K2SO42KOH+BaSO4

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