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    Answer is A
    Why is pH 7?


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    (Original post by Insia786)
    Answer is A
    Why is pH 7?


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    What level is this? GCSE or A level?

    If it is a-level then I know that for aluminium, the ph has to be neutral becasue aluminium can act as both an acid and a base (a.k.a amphoteric)
 
 
 
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