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Recent content by malikahteham809

  1. malikahteham809

    o level chemistry plz help

    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...
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