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Question-38478




Question Number 38478 by Rio Mike last updated on 26/Jun/18
Commented by Rio Mike last updated on 26/Jun/18
The colouring in five soft drinks  produced by a drink industry were  analysed on a Paper Chromatography.  the final chromatogram is show above.   a) which of the soft drinks has a colouring  which contains one dye?  b) How many different dyes does the  industry use in colouring soft drinks  c) which two colouring could have   been mixed to make Z.?
$$\mathrm{The}\:\mathrm{colouring}\:\mathrm{in}\:\mathrm{five}\:\mathrm{soft}\:\mathrm{drinks} \\ $$$$\mathrm{produced}\:\mathrm{by}\:\mathrm{a}\:\mathrm{drink}\:\mathrm{industry}\:\mathrm{were} \\ $$$$\mathrm{analysed}\:\mathrm{on}\:\mathrm{a}\:\mathrm{Paper}\:\mathrm{Chromatography}. \\ $$$$\mathrm{the}\:\mathrm{final}\:\mathrm{chromatogram}\:\mathrm{is}\:\mathrm{show}\:\mathrm{above}. \\ $$$$\left.\:\mathrm{a}\right)\:\mathrm{which}\:\mathrm{of}\:\mathrm{the}\:\mathrm{soft}\:\mathrm{drinks}\:\mathrm{has}\:\mathrm{a}\:\mathrm{colouring} \\ $$$$\mathrm{which}\:\mathrm{contains}\:\mathrm{one}\:\mathrm{dye}? \\ $$$$\left.\mathrm{b}\right)\:\mathrm{How}\:\mathrm{many}\:\mathrm{different}\:\mathrm{dyes}\:\mathrm{does}\:\mathrm{the} \\ $$$$\mathrm{industry}\:\mathrm{use}\:\mathrm{in}\:\mathrm{colouring}\:\mathrm{soft}\:\mathrm{drinks} \\ $$$$\left.\mathrm{c}\right)\:\mathrm{which}\:\mathrm{two}\:\mathrm{colouring}\:\mathrm{could}\:\mathrm{have}\: \\ $$$$\mathrm{been}\:\mathrm{mixed}\:\mathrm{to}\:\mathrm{make}\:\mathrm{Z}.? \\ $$

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