Fractional Distillation

Fractional Distillation

why is crude oil so valuable?

Multiple Choice

What happens to the reactivity of group 7 elements as you move down the group?

• it increases.

• its stays the same

• its decreases.

Multiple Choice

What is simple distillation?

• the separating of two solids at different boiling points

• the separating of two liquids at different boiling points

• the separating of two gases at different boiling points

Open Ended

Name 3 methods of separating mixtures.

Multiple Choice

Boiling is......

• the process by which a liquid turns into a vapor when it is heated to its boiling point.

• the process by which water changes from a liquid to a gas or vapor.

• the change of the physical state of matter from the gas phase into the liquid phase.

Multiple Choice

Evaporation is......

• the process by which a liquid turns into a vapor when it is heated to its boiling point.

• the process by which water changes from a liquid to a gas or vapor.

• the change of the physical state of matter from the gas phase into the liquid phase.

Multiple Choice

Condensing is.....

• the process by which a liquid turns into a vapor when it is heated to its boiling point.

• the process by which water changes from a liquid to a gas or vapor.

• the change of the physical state of matter from the gas phase into the liquid phase.

Multiple Choice

Is crude oil on its own valuable?

• NO

• YES

• NOT SURE

Multiple Choice

Crude oil is made up of different......

• hydrogens

• hydrocarbons

• carbons

Multiple Choice

Hydrocarbons consist of?

• oxygen and hydrogen

• oxygen and carbon

• hydrogen and carbon

• hydrogen and methane

Multiple Choice

Fractional distillation involves?

• splitting different compounds at different temperatures

• mixing different compounds together

Multiple Choice

Vapours will do what in the fraction column?

• lower

• stay at one height

• rise

Multiple Choice

What happens to the vapour when it is cool enough in the column?

• they stay as a vapour

• the condense

• they continue to rise

Multiple Choice

Cracking involves whats?

• breaking fractions down further

• building fractions up

Multiple Choice

General formula for alkane is?

• CnH2n+2

• CnH2n

Multiple Choice

What is methane?

• alkane

• alkene

Multiple Choice

What is propene?

• alkane

• alkene

Multiple Choice

Alkenes always have a...

• single carbon bound

• a double carbon bound

Multiple Choice

Alkanes always have a...

• single carbon bound

• a double carbon bound

Multiple Choice

Alkenes always have a...

• single carbon bound

• a double carbon bound

Multiple Choice

Alkanes always have a...

• single carbon bound

• a double carbon bound