Thursday, 16 May 2013

5.6 understand that crude oil is a mixture of hydrocarbons

Crude oil contains different molecules made only of hydrogen and carbon.

2 comments:

  1. this helps so much, can i just say thank you! for all my sciences they have helped me through getting an A, thank you

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    Replies
    1. Well done getting an A! It's no problem :)

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