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OCR GCSE Chemistry C4,5,6 UNOFFICIAL MARKSCHEME Watch

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    (Original post by Helpneededgcse)
    There was one question on zinc carbonate and what happens when it is heated
    i think that's already in there?
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    (Original post by TheNlee)
    ur capped at a certain level which is either max 4 marks or 2 marks but dw about it you'll do great
    nah but the equation u put for the first marker is wrong its supposed to be Br2
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    oops no u didnt ^^ sorrry
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    Dry Cleaning:
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    -Water can damage delicate linen (1)

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    idk[/QUOTE]

    If I put water is not used for that dry cleaning question do you think they'll give me a cheeky mark?
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    (Original post by Alpha90)
    Dry Cleaning:
    -Solvent used is not water (1)
    -Water can damage delicate linen (1)

    SECTION D
    idk
    If I put water is not used for that dry cleaning question do you think they'll give me a cheeky mark?[/QUOTE]

    Only if you said active detergents are used in replacement
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    What do you think the grade boundaries would be?
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    (Original post by 12115)
    What do you think the grade boundaries would be?


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    60/85 = A*???
 
 
 
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