o level chemistry plz help

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1.An aqueous solution of zinc chloride is tested with various reagents. Which observation is correct?
A Acidified barium nitrate solution gives a white precipitate.
B Aqueous ammonia gives a white precipitate soluble in excess of the reagent.
C Copper turnings precipitate zinc.
D Sodium hydroxide solution gives a white precipitate insoluble in excess of the reagent.

1

A
 
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