Chemistry, 16.05.2021 15:20 madisonbrookecallis
Gary wanted to find out if some food colourings contained a banned food dye.
He put a drop of each food colouring and the banned food dye onto some special paper.
He hung the paper in a beaker of water.
After 10 minutes, the banned food dye and some of the dyes from the food colourings had moved up the paper.
Gary’s results are shown below.
(a) Gary wrote the labels on the paper in pencil. Why should he not write them in ink?
Answers: 1
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Recognizing the properties of water water has a "bent" geometry. which explanation does not explain why? o water's oxygen has unbonded electron pairs that repel each other. water can form hydrogen bonds. electrons are evenly distributed in the water molecule. do ne
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Gary wanted to find out if some food colourings contained a banned food dye.
He put a drop of each...
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