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Analytical Chemistry — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryAnalytical Chemistry2 Marks
Question
Name a solution that will separate the component of the following mixture: CuO from ZnO.
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Answer

CuO from ZnO:
Sodium hydroxide solution can separate CuO from ZnO as CuO precipitates remains insoluble in excess of NaOH solution while ZnO precipitates are soluble in excess of NaOH solution .

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