Crude petroleum is converted to useful products by the pr...
Crude petroleum is converted to useful products by the process of?
fractional crystallization
fractional distillation
filtration
chromatography
Correct answer is B
A process called fractional distillation is used in oil refineries to separate (as well as join or split) the various lengths of hydrocarbon chains to create different petroleum products from the different distillates.
Which of the following is a physical change? ...
What type of reaction is involved in the formation of alkanols from alkenes? ...
The following salts will produce a gas on reacting with hydrochloric acid except ...
A catayst which increases the rate of a chemical reaction does so by ...
Which of the following metallic oxides is amphoteric? ...
The volume of a given gas is V cm3 P mm Hg. what is the new volume of the gas if...