Recent content by Omkar1966

  1. O

    mod 2 year 11 past papers with answers?

    Does anyone have any mod 2 year 11 past papers with answers?
  2. O

    gravimetric analysis yelp

    also what did you get for a?
  3. O

    gravimetric analysis yelp

    Im not 100% sure but your meant to add bacl2 whilst the solution is hot to increase the solubility of the ammonium sulfate and also grinding the fertiliser to increase surface area thus increase solubility of ammonium sulfate was not done
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    Sulfate Content in Fertiliser Test Question

    Hey guys I have a test coming up but I have no idea what the questions will be about. Here is a brief overview Part1: Conduct the first-hand investigation to determine the sulfate content in fertiliser Students are to design and perform a primary investigation to determine the percentage...
  5. O

    Why is HCl added to the fertiliser when finding the % of sulphate in lawn fertiliser?

    can you please resend this the link doesnt work thanks
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