DifferenceModerate1 mark
3(b)
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Dilute hydrochloric acid and dilute sulphuric acid. (using lead nitrate solution)
Topic: Sulphuric acid: preparation and properties
Previous-year question practice database
Answer
Exam answer
Pb(NO₃)₂ gives white PbCl₂ precipitate with HCl (soluble in hot water); with H₂SO₄ gives white PbSO₄ insoluble on heating.
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