WorksheetsChromatography
Total questions: 20
Worksheet time: 15mins
Ink can be separated by a method of -----------------------------------------------
distillation
filtration
chromatography
sedimentation
A pure substance shows ------------------ spot on chromatogram
0
1
2
3
A substance is soluble if it can be dissolved.
In paper chromatography, the most soluble solute _____________________ .
does not move from the start point
stays closest to the start point
travels furthest away from the start point
can be found in the middle of the chromatogram
What is the correct image of paper chromatography???
What is chromatography?
A way to see pretty colors
A laboratory technique used to separate a mixture.
A form of distillation
Two or more substances that are mixed together but not chemically combined create a...
solvent
compound
mixture
What molecules move up the paper to carry the different colors of ink?
color
fat
water
Which of the following mixture/s is/are separated by chromatography?
Pigments from natural colours
Colours in a dye
Colours of flowers extracts
All the above
Which of the following is correct about chromatography?
It separates those solutes that dissolve in the same solvent.
It separates those solutes that dissolve in different solvents.
It separates a solute that dissolves in a solid solvent.
It separates gaseous solutes from liquid solvents.
If a substance is not soluble in the solvent, what happens to the spot placed on the start line?
a) Dot moves to the top of the paper
b) Dot does not move at all
c) Dot moves to the left or right
d) Dot moves down to the bottom of the paper
In paper chromatography, the LEAST soluble solute ____.
does not move from the start point
stays closest to the start point
travels furthest away from the start point
can be found in the middle of the chromatogram
Blue loves water.
Yellow loves water.
Green loves water.
