What is crude oil?

How is crude oil separated into fractions?

List the fractions in order, starting from the top to the bottom.

What are refinery gases and what are the uses of refinery gases?

What is gasoline and what are its uses?

What is Kerosine and what are its uses?

What is Diesel oil and what are its uses?

What are fuel oils' uses?

What is Bitumen and what are its uses?

What does cracking mean and why is it important?

What are the conditions for catalytic cracking?