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JEE CHEMISTRY MCQ: PRACTICAL CHEMISTRY

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Which of the following give white precipitate when HCl\mathrm{HCl} is added to its aqueous solution
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Correct option: A
Hg+\mathrm{Hg}^{+}
Option A (Hg+\mathrm{Hg}^{+}) is correct because mercurous ions react with HCl to form a white precipitate of mercurous chloride.

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