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    It doesn’t have a question, it just says what we’re looking at
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    (Original post by Daniel100499)
    It doesn’t have a question, it just says what we’re looking at
    What do you mean?
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    (Original post by Daniel100499)
    It doesn’t have a question, it just says what we’re looking at
    Oh I see what you mean. The question is 'What mixture contains an insoluble food colouring?'
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    I think it's Q since it still has a dot on the pencil line. if it was soluble, the mobile phase - which is the solvent - would have allowed it to be carried further up the paper.
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    (Original post by FAlaa123)
    I think it's Q since it still has a dot on the pencil line. if it was soluble, the mobile phase - which is the solvent - would have allowed it to be carried further up the paper.
    That's what I was thinking but I'm not completely sure.
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    (Original post by Don'tKnowAName)
    That's what I was thinking but I'm not completely sure.
    Yes it’s definitely Q, as said before if it was soluble there wouldn’t be a dot on the pencil line
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