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    (Original post by studyranger)
    I think if you type in national 5 chemistry practice papers a website called STEM or motion something will come up and they have old Int2 and SG papers relevant to each unit in the Nat 5 course
    Thanks, that's helpful.
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    Do we need to know what crackling is ?
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    (Original post by Ethan100)
    Do we need to know what crackling is ?
    Yeah, of course, and know the catalyst used in cracking..
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    (Original post by Lewis H01)
    Yeah, of course, and know the catalyst used in cracking..
    What the hell is crackling ? I was never taught that ? What unit is it in ? I just came up on a question that talked about crackling.
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    Cracking is like monomers which make polymers and that sort of thing, but I wouldn't say you need to know the catalyst.
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    I'm so confused...
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    I thought cracking was national 4
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    National 4 ... hhahaha
    Can someone explain in simple terms what Crackling is and what I need to know for National 5 ?
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    Does anyone know were I can find whats included in the Nat 5 Chemistry course so i can make sure that I know what I need to look at ?
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    (Original post by Ethan100)
    Do we need to know what crackling is ?
    (Original post by ___Sophie___)
    I thought cracking was national 4
    (Original post by Ethan100)
    National 4 ... hhahaha
    Can someone explain in simple terms what Crackling is and what I need to know for National 5 ?
    It is national 4.

    It's got something to do with Hydrocarbons and fractional distillation or something lol
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    (Original post by Ethan100)
    Does anyone know were I can find whats included in the Nat 5 Chemistry course so i can make sure that I know what I need to look at ?
    http://www.sqa.org.uk/files_ccc/CfE_..._Chemistry.pdf

    Here ^

    It says nothing about cracking
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    (Original post by Ethan100)
    Does anyone know were I can find whats included in the Nat 5 Chemistry course so i can make sure that I know what I need to look at ?
    This sqa document tells you
    http://www.sqa.org.uk/files_ccc/CfE_..._Chemistry.pdf
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    Wait so if it's not in the specifications why do I need to know it ?
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    (Original post by Ethan100)
    Wait so if it's not in the specifications why do I need to know it ?
    I'm pretty sure you don't..
    Our teacher said it was N4
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    (Original post by ___Sophie___)
    I'm pretty sure you don't..
    Our teacher said it was N4
    But if it's Nat 4 surely we need to know it ? Hmm

    Thanks very much Sophie
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    (Original post by Ethan100)
    But if it's Nat 4 surely we need to know it ? Hmm

    Thanks very much Sophie
    I thought we only had to know the things in the sqa course notes document I don't know
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    (Original post by ___Sophie___)
    I thought we only had to know the things in the sqa course notes document I don't know
    If it does come up and it's not in the course notes document... WE CAN PETITION
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    (Original post by Ethan100)
    If it does come up and it's not in the course notes document... WE CAN PETITION
    Indeed we can
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    Lol, I'm pretty sure I've seen questions on cracking in the intermediate 2 past papers..
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    (Original post by Ethan100)
    Do we need to know what crackling is ?
    Do you mean Cat. Cracking?
 
 
 
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