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    Aisha_18's Avatar
    Aisha_18 Posts: 13, Reputation: 1
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    #1

    Sep 18, 2009, 07:27 AM
    Organic chemistry
    A purified sample of napthalene is grey and has the same melting range as a white purified sample. What causes the grey colour.
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    Sep 18, 2009, 10:27 AM

    Hmmm. Tough question -- possibly something that doesn't melt; something that isn't in the lattice.
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