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Analytical Chemistry — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryAnalytical Chemistry1 Mark
Question
The salt which will not react with $NH_4OH $solution ______$[ZnCl_2, CuCl_2 / NH_4Cl/ FeCl_2]$
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Answer

The salt which will not react with $NH _4 OH$ solution $N H _4 Cl.$

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