- (11) deduce the number of dyes in food colouring h. (iii) suggest why food colouring f does not move during the experiment. (iv) explain which two food colourings contain the dye that is likely to be the most soluble the solvent. (b) determine which food colouring contains a dye with r, value closest to 0.67 show your working. ?
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Category: statistics |
Author: Mona Eva
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