Monday, April 26, 2010

Refining crude oil Multiple choice question onli 1... ?

Which of the following pairs of moelcules could be obtained from the fractional distillation of crude oil?


(a) CH4 %26amp; C3H8


(b) H2 %26amp; CH4


(c) C2H4 %26amp; C6H6


(d) C2H2 %26amp; C2H4Refining crude oil Multiple choice question onli 1... ?
a
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