Chemistry
Chemistry, 22.04.2020 07:20, caitybugking

(a)
Gary wrote the labels on the paper in pancil
Why should he not write them in ink?
pancil are better because they don't smudge kan
1 TK
(b)
Look at Gary's results
The different dyes in some of the food colourdoga had moved up the paper.
( Which food colouring contained the banndd food dye?
1 mark
(W)
Which food colouring contained the most dyes?
1 mark
(c)
Which food colouring did not dissolve in the water?
1 mark
(d) Which method did Gary use to separate the dyes?
Tick the correct box.
chromatography
distillation
evaporation
filtration
1 mark
maxmum 5 marks

answer
Answers: 3

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