A food scientist is testing the food coloring used in cans of drink . She has to check that any coloring used does not contain any banned chemical She places drops of the drink on chromatography paper . She allows the coloring to separate using water She also makes another chromatogram , using drops of all the permitted chemical colorings . If she finds anything that does not match with these colourings , she have to carry out tests . will have to carry out further tests The diagrams show her two chromatograms .
How many different colors has the scientist found in the drink ?
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Answer: the scientist found 8 colours
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