Chromatography Flashcards
(6 cards)
1
Q
Aim?
A
To find out if black ink is a mixture of different colours
2
Q
Observation?
A
Black ink is a mixture of yellow, red, blue and grey colours. The yellow colour has travelled the furthest, so it is the most soluble whereas blue has travelled the least.
3
Q
Equipment?
A
Graduated beaker
water capillary tube
black ink
chromatography paper
4
Q
What is the colour of the dot on the chromatography paper?
A
Black
5
Q
How many colours are in the chromatography paper?
A
Four
6
Q
Name two advantages of using chromatography to separate a mixture.
A
Testing food samples and urine samples