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  1. N

    Physics

    Help! http://www.xtremepapers.me/CIE/Internat ... 5_qp_1.pdf Question 13 http://www.xtremepapers.me/CIE/Internat ... 9_qp_1.pdf Question 9 n 12 Pls show the working THANKS
  2. N

    Chemistry Unit 2 A levels

    Some awesome website http://preparatorychemistry.com/Bishop_Home.htm - An introduction to chemistry www.wpbschoolhouse.btinternet.co.uk - Useful for a wide range of secondary chemistry courses www.chemguide.co.uk - Very useful for A-level courses, written by Cambridge graduate and experienced...
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    WAVES DOUBTS

    Ok why does a standing wave is produced only at a particular frequency and i guess this frequency is called resonance :unknown:
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    Chem Doubts

    on the boiling points of the alcohols: Hydrogen bonding isn't the only intermolecular force in alcohols. There are also van der Waals dispersion forces and dipole-dipole interactions. The hydrogen bonding and the dipole-dipole interactions will be much the same for all the alcohols, but the...
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    ~AS Bio doubts Here !!~

    Ok ! i have created this tread All dobts can be cleared in here Post them all here maybe i can help you or perhaps you might help me ! :friends:
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