Chromatograph

Chromatography Live

Multiple Choice

What is fractional distillation?

• A method for separating dissolved substances from one another

• A method of separating a mixture into a number of different parts, called fractions

• A method of separating two solutions with different boiling points.

• A method to separate a solid from a liquid

Multiple Choice

What is the difference between an alkane and alkene.

• one contains carbon the other doesn't.

• One contains hydrogen the other doesn't.

• alkane contain single carbon bond whereas alkene have a least one double carbon bond.

Multiple Choice

Crude oil is separated using what method?

• filtration

• evaporation

• simple distillation

• fractional distillation

Multiple Choice

What is chromatography?

• A method for separating dissolved substances from one another

• A method of separating a mixture into a number of different parts, called fractions

• A method of separating two solutions with different boiling points.

• A method to separate a solid from a liquid

Multiple Choice

Chromatography allows us to see what?

• where a substance has come from.

• if it is a solid or liquid

Multiple Choice

If two chromatography samples match they must be...

• different

• the same

Multiple Choice

The two stages of chromatograpghy are?

• stationary and speed

• mobile and verticle

• stationary and mobile

Multiple Choice

The stationary stage is the?

• paper

• solvent

Multiple Choice

The mobile stage is the?

• paper

• solvent

Multiple Choice

Colours will arrange themselves in?

• rows

• columns

Multiple Choice

If columns are identical they must have?

• come from different samples

• come from the same sample

Multiple Choice

If you are unsure on a column you can run it against?

• unknown samples to see if they are the same.

• known samples to see if they are the same.

Multiple Choice

rf = ??

• distance travel by a component x distance traveled by the solvent

• distance traveled by a component / distance traveled by the solvent

• distance travel by a component - distance traveled by the solvent

• distance travel by a component + distance traveled by the solvent

Open Ended

Explain in as much detail as you can how chromatography separates soluble solutes.