True or false – You cannot use physical processes to separate mixtures into different substances.

True
False

Paper chromatography is used to separate which types of materials?

Separate soluble materials from insoluble materials
Separate different types of liquids
Separating soluble compounds

After paper chromatography has been carried out, the paper is known as?

A chromatogram
A wet piece of paper
A still

[question number = 03.5] Drag and drop to match the description to the phase of chromatography

Mobile phase
Stationary phase

The solvent
The paper

[question number = 03.2] The distance travelled by a spot is determined by the solubility of the compound. How does solubility impact distance travelled?

More soluble – greater distance
More soluble – shorter distance

[question number = 03.3] What is the equation for Rf values in paper chromatography?

Distance moved by spot / distance moved by solvent
Distance moved by solvent / distance moved by spot
Distance moved by solvent x distance moved by spot
Distance moved by the paper / distance moved by the spot

[question number = 03.4] Which of the following are uses for paper chromatography?

Separating insoluble solids
Distinguishing between pure and impure substances
Determining the boiling point of a substance
Identifying substances by calculating Rf values
Identifying substances by comparing chromatogram patterns to patterns formed by known substances

[question number = 03.1] A paper chromatography experiment is carried out in a lab. The distance moved by the spot was 6cm and the solvent had moved by 8cm. Calculate the Rf value.

0.75
0.5
0.25
0.1

Can Rf values be higher than 1?

Yes
No
Under certain conditions

Paper Chromatography Quiz

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