PHYSICS COMPONENT: Find out the method by which the colour/dye/pigment rises in swab through cotton and what makes different pigments to rise to different heights. Write down your findings and mention the resources that you have used. For internet mention sites.
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PHYSICS COMPONENT: Find out the method by which the colour/dye/pigment rises in swab through cotton and what makes different pigments to rise to ...
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chromatography, since all pigments are not equally soluble
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