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    I was talking to a teacher about what they think will be on the chemistry tomorrow. I was given a list and most of the topics came up on the 2012 paper. LEARN IT (I may be wrong but any help is good right?)
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    (Original post by Kerensaa)
    I was talking to a teacher about what they think will be on the chemistry tomorrow. I was given a list and all the topics came up on the 2012 paper. LEARN IT (I may be wrong but any help is good right?)
    A lot of the 2012 questions were re-used in the 2014 ones already. Which ones are you thinking about in particular?
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    any ideas about the 6 mark question?
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    (Original post by neil20143)
    A lot of the 2012 questions were re-used in the 2014 ones already. Which ones are you thinking about in particular?
    Diamond and graphite
    Making salts
    Gas chromatography
    Catalysts
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    (Original post by HarunH1)
    any ideas about the 6 mark question?
    I don't know the exact format just topics that are suspected to come up I'll give these.
    Diamond/ graphite
    Gas chromatography
    Catalysts
    Making salts
    And metallic bonds and alloys (this wasn't in 2012 paper)
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    What was the answer to empirical formula???

    Pb203? Pbo3?
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    (Original post by emprex)
    What was the answer to empirical formula???
    (Original post by emprex)

    Pb203? Pbo3?

    I got Pb02?
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    (Original post by Emwadd)
    [RIGHT]


    I got Pb02?
    Pb2O3

    cos it had a molar ratio of 1:1.5
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    (Original post by Emwadd)
    [RIGHT]


    I got Pb02?
    It's definitely Pb2O3 the ratio is 40% to 60%


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