Q.

What happens to the middle oil fraction in the Bergius process?

A. the oil is converted into olefins
B. the oil is converter into paraffin
C. the oil is converted into gasoline
D. the oil is converted into hydrocarbons
Answer» C. the oil is converted into gasoline
Explanation: the middle oil fraction is subjected to hydrogen in the presence of a catalyst to produce gasoline. same process is carried out in the top fraction of the reactor. the heavy oil fraction is recycled to make a paste with a fresh batch of coal powder.
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