Free Printable chromatography

Worksheets

chromatography

Total questions: 15

Worksheet time: 9mins

Name

Class

Date

Ink can be separated by a method of -----------------------------------------------

distillation

filtration

chromatography

sedimentation

chromatography separates the mixture of dyes on the basis of their ----------------------------

density

solubility

gravity

boiling point

The mobile phase in paper chromatography is typically a

plasma

solid

gas

liquid

The substance in the mixture that has the greatest affinity for the stationary phase will travel

fastest

slowest

The R_fvalue for the red component is

0.3

0.7

What is the correct image of paper chromatography???

In the image, which dye is the most soluble?

Red

Blue

Purple

What is chromatography?

A way to see pretty colors

A laboratory technique used to separate a mixture.

A form of distillation

Why must the base line be drawn in pencil and not pen?

a) Pencil is good at keeping substances in place.

b) Pencil is soluble in water

c) Pencil is insoluble in water

d) Pencil is not coloured

10.

Blue loves water.

Yellow loves water.

Green loves water.

11.

The physical separation of mixtures into individual components is..

chromatography

opacity

latent

trace evidence

12.

How to calculate Rf?

Rf = distance travelled by sample / distance travelled by solvent

Rf = distance travelled by solvent / distance travelled by sample

13.

____________ Chromatography uses thin plastic or glass trays to identify the composition of pigments, chemicals, and other unknown substances.

Gas

Thin-layer

Liquid

Paper

14.

The solvent that carries the components that pass through a chromatography column is known as the:

effluent

electrolyte

eluent

mobile phase

15.

5.What is a full name of FID detector?

A) Free induction decay

Flame ionization detector

Fuel injection diagnostic

First input delay

100 %

chromatography

Total questions: 15

Worksheet time: 9mins

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