1.

During fractional distillation, the crude petroleum is heated to

A.  \[{{600}^{\text{o}}}C\].      
B.            \[400-{{500}^{\text{o}}}C\].
C.            \[{{200}^{\text{o}}}C\].      
D.            \[{{100}^{\text{o}}}C\].
Answer» C.            \[{{200}^{\text{o}}}C\].      


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