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The acidic solution of a salt produces blue colour with KI starch solution. The salt may be

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The acidic solution of a salt produces blue colour with KI starch solution. The salt may be 

(A) Sulphite 

(B) Bromide 

(C) Nitrite 

(D) Chloride

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1 Answer

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Best answer

Correct Option (C) Nitrite

Explanation:

 CuNO3 + KI(Starch) → blue 

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