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Analytical Chemistry Uses of Ammonium Hydroxide and Sodium Hydroxide — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryAnalytical Chemistry Uses of Ammonium Hydroxide and Sodium Hydroxide1 Mark
Question
On adding dilute ammonia solution to a colourless solution of a salt, a white gelatinous precipitate appears. This precipitate however dissolves on addition of excess of ammonia solution identify (choose from $Na, Al, Zn, Pb, Fe$)
(a) Which metal salt solution was used?
✓

Answer

$ZnCl_2$

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