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Precipitation Reaction

A salt gives ...

Question

A salt gives a blue precipitate with sodium hydroxide is:

A

zinc nitrate

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B

lead acetate

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C

magnesium chloride

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D

copper (II) chloride

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Solution

The correct option is D copper (II) chloride
Copper (II) chloride gives a blue precipitate of $C u (O H)_{2}$ with sodium hydroxide solution.

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The salt which in solution gives a pale green precipitate with sodium hydroxide solution and a white precipitate with barium chloride solution is:

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B. Iron (II) sulphate
C. Iron (II) chloride
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