Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil ?

Related Mcqs:

Reforming converts_________________?

A. Olefins into paraffins B. Naphthenes into aromatics C. Naphthenes into olefins D. Naphthenes into paraffin...

Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic____________________?

A. Cracking B. Polymerisation C. Reforming D. Isomerisation...

Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm2 is maintained during cracking mainly to__________________?

A. Increase the yield of light distillates B. Suppress coke formation C. Enhance the octane number of gasoline D. Reduce gum content in gasoline...

“Breathing loss” on storage of gasoline occurs due to the _____________________?

A. Presence of unsaturated air B. Fluctuation of ambient temperature during day and night C. Both A. and B. D. Neither A. nor B....

Octane number of gasoline produced by two stage fluidised catalytic cracking process is___________________?

A. 80 B. 87 C. 92 D. 97...