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  1. B

    Ions identification

    yes I'm more on lead but why when putting ammonia in it form precipitate with lead?
  2. B

    Ions identification

    It was lead (II) that presented in the solution and the solution is colourless hence it's very strange if phosphate present as lead phosphate wouldn't dissolve to become a colourless solution like that I think
  3. B

    Ions identification

    even one drop of ammonia made it precipitate.
  4. B

    Ions identification

    I was given an unknown solution. I followed the Jacaranda table for anions and nothing happen until I put ammonia solution to alkali the solution and it precipitates straight away which is not an expected result. the unknown solution was a colourless solution and it might be Lead presents as...
  5. B

    99.95 ATAR | Selling CHEM (95) + PHYS (95) Notes

    I want to buy the chemistry note.please leave me a message. biz.ngoan@yahoo.com
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