Chemistry · Oct / Nov 2020 · Paper 12 · Question 5
5070Identification of ions and gases
Aqueous zinc chloride is tested with various reagents. Which observation is correct?
- AAqueous ammonia gives a white precipitate which is soluble in excess reagent.
- BCopper turnings give a precipitate of zinc.
- CAcidified aqueous silver nitrate gives a yellow precipitate.
- DAcidified aqueous barium nitrate gives a white precipitate.
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Correct answer: A. Aqueous ammonia gives a white precipitate which is soluble in excess reagent.
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