Question

name the type of salts which do not form precipitates with naoh

name a metallic hydroxide which is sparingly soluble in excess of naoh​

Answer 1

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Zinc chloride reacts with sodium hydroxide to form a precipitate of zinc hydroxide. This precipitate dissolves in excess sodium hydroxide to form sodium zincate.

Answer 2

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• Zinc chloride reacts with sodium hydroxide to form a precipitate of zinc hydroxide.

• This precipitate dissolves in excess sodium hydroxide to form sodium zincate.