Answer: The correct answer is crude oil is a mixture of many organic compounds that need to be isolated to be used.
Explanation:
Crude oil is a naturally occurring petroleum product which is unrefined. It consists of various hydrocarbon deposits and organic compounds.
The refining of crude oil is important because it yield some important compounds that can be used in various purposes.
The refining of crude oil produces products such as gasoline, petrol, diesel and various other forms of petrochemicals which can be used on daily basis.
Hence, the correct statement is crude oil is a mixture of many organic compounds that need to be isolated to be used.
Answer:
frequency = velocity of light /wavelength
wavelength = velocity / frequency
=3 x10^8 / 5.9 x 10^11
=0.508 x 10^-3.
