wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Chromatography

Total questions: 15

Worksheet time: 14mins

Name
Class
Date
1.

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

a)

distillation

b)

filtration

c)

chromatography

d)

sedimentation

2.
chromatography separates the mixture of dyes on the basis of their ----------------------------
a)
density
b)
solubility
c)
gravity
d)
boiling point
3.
On the chromatogram given -------------- is mixture.
a)
red
b)
orange
c)
green
d)
black
4.
A pure substance shows ------------------ spot on chromat gram
a)
0
b)
1
c)
2
d)
3
5.
The diagram below shows a chromatogram obtained when a sample X was analysed together with four other known dyes P, Q, R and S. Dye Q was known to cause cancer. Which of the following dye(s) is/are safe for use?
a)
P only
b)
S only
c)
P and S
d)
P and X
6.

A substance is soluble if it can be dissolved.


In paper chromatography, the most soluble solute _____________________ .

a)

does not move from the start point

b)

stays closest to the start point

c)

travels furthest away from the start point

d)

can be found in the middle of the chromatogram

7.

A substance is soluble if it can be dissolved.


In paper chromatography, the most soluble solute _____________________ .

a)

does not move from the start point

b)

stays closest to the start point

c)

travels furthest away from the start point

d)

can be found in the middle of the chromatogram

8.
Why must the base line be drawn in pencil and not pen?
a)
a) Pencil is good at keeping substances in place.
b)
b) Pencil is soluble in water
c)
c) Pencil is insoluble in water
d)
d) Pencil is not coloured
9.

The stationary phase in this experiment is...

a)

chromatography paper

b)

water

c)

beaker

d)

dye

10.

The mobile phase in this experiment is...

a)

chromatography paper

b)

water

c)

beaker

d)

dye

11.

Look at the picture!

a)

A

b)

B

c)

C

d)

D

12.

Look at the picture!

a)

A

b)

B

c)

C

d)

D

13.

Look at the picture!

a)

A

b)

B

c)

C

d)

D

14.

Look at the picture!

a)

A

b)

B

c)

C

d)

D

15.

Which of the following is correct about chromatography?

a)

It separates those solutes that dissolve in the same solvent.

b)

It separates those solutes that dissolve in different solvents.

c)

It separates a solute that dissolves in a solid solvent.

d)

It separates gaseous solutes from liquid solvents.