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Question
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Mangenese dioxide and copper (II) oxide. (using concentrated HCl)
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Solution
MnO2 with conc. HCl gives Cl2 gas where as Cu2O does not.
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\[\ce{NH4OH + HCl -> }\]
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NH4OH + HCl ⟶
