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    So i am doing my revision for the C1 GCSE and my textbook says: "Carbon (a non metal) will also displace less reactive metals from their oxides. We use Carbon to extract some metals from their ores." Then underneath that it has a question which is "A metal cannot be extracted from its ore using carbon. What is its place on the reactivity series?"
    I don't understand this at all, i thought it just said that it can be extracted using carbon? Can someone please explain?

    Your quote talks about some metals and A metal, i.e. not necessarily referring to the same metal.

    Using just three taken from the reactivity series:
    aluminium - most reactive of the three
    iron - least reactive

    carbon can be used to extract iron from its oxide as carbon is more reactive than iron
    carbon cannot be used to extract aluminium from its oxide as carbon is less reactive than aluminium

    But... can aluminium be used to extract iron from its oxide? (over to you)

    It's asking for a general description really. All we can see from the purposesly vague information is that the metal is more reactive than carbon as it is not displaced
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