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When a metal rod M is dipped into an aqueous colourless concentrated solution of compound N, the solutionturns light blue. Addition of aqueous NaCl to the blue solution gives a white precipitate O. Addition of aqueousN H 3
When a metal rod M is dipped into an aqueous colourless concentrated solution of compound N, the solutionturns light blue. Addition of aqueous NaCl to the blue solution gives a white precipitate O. Addition of aqueous
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