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Question
Give a chemical test to distinguish between the given pair of chemicals:
Lead nitrate solution and zinc nitrate solution.
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Solution
When NaOH is added to each of the compounds, lead nitrate forms a chalky white precipitate of lead hydroxide [Pb(OH)2], whereas a gelatinous white precipitate of zinc hydroxide [Zn(OH)2] is formed in the case of zinc nitrate.
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