

MCQOPTIONS
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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. | |