Catalytic cracking compared to thermal cracking of residue of vacuum d – McqOptions

MCQOPTIONS

1.	Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil
A.	Gives higher yield of petrol
B.	Lower octane number of petrol
C.	Higher sulphur content in the product
D.	Higher gum forming material in petrol
Answer» B. Lower octane number of petrol

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