Which of the following is not a sulphur compound present in petroleum ?

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1 centistoke is equal to ______________ Redwood I seconds?

A. 1 B. 4.08 C. 0.408 D. 40.8...

Antioxidants are added in petrol to _____________________?

A. Impart colour to it, for easy identification B. Minimise the gum formation C. Prevent icing of the carburettor D. Prevent the lead build up in engines...

Phenols are added in gasoline to____________________?

A. Improve the octane number B. Act as an antioxidant C. Reduce its viscosity D. Increase its pour point...

With increase in the molecular weight of aromatic present in kerosene, its smoking tendency ?

A. Increases B. Decreases C. Remain same D. Is unpredictable...

Aromatics are desired constituents of____________________?

A. Lubricating oil B. Diesel C. Kerosene D. Petrol...