Question

How is petroleum refined?

Answer 1

Answer:

Petroleum Refining Process

Refining is a process where the separation of various compounds of crude oil occurs. Fractional distillation is a process used to separate its compounds. ... The crude oil is heated to a temperature of 400-degree Celcius, is fed in at the bottom of the column and heated further.

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Answer 2

Answer:

if 30% people in a city like to play cricket 40% like to play tennis and the remaining like other games then what percent of people like other games if total number of people are 100000 find the extract number of people who like each type of games