Hydrocarbons and crude oil Flashcards
1
Q
How can crude oil be separated?
A
Fractional distillation
2
Q
What is an exothermic reaction?
A
A reaction that gives out heat to the surroundings
3
Q
What is an endothermic reaction?
A
A reaction that absorbs heat and cools the surroundings
4
Q
What is combustion?
A
the chemical reaction of a substance when it reacts with oxygen
5
Q
What are hydrocarbons?
A
compounds made from the elements hydrogen and carbon only
6
Q
What is the process of breaking down large hydrocarbons called?
A
Cracking
7
Q
What are saturated hydrocarbons called?
A
alkanes
8
Q
What are unsaturated hydrocarbons known as?
A
alkenes
9
Q
Why is a catalyst needed to crack hydrocarbons?
A
to speed the process
10
Q
What is crude oil?
A
a mixture of hydrocarbons
