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A student performed an experiment with the mixtures of dyes. He marked a line on the filter paper and placed the filter paper in a glass containing water. He removed the filter paper when the water moved near the top of the filter paper. He observed that three different coloured bands were formed on the filter paper. Can you help student understand...
25 a. Why were the three coloured bands formed on the filter paper? (1 mark)
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25 b. Name and explain the principle of technique due to which colored bands were formed.
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