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. | |