23
Question
While doing chromatography using black ink, the results seen is/are:
(a) black ink is a mixture of red, green, and blue colours.(b) ink is a mixture of dye and water.
While doing chromatography using black ink, the results seen is/are:
(a) black ink is a mixture of red, green, and blue colours.
(b) ink is a mixture of dye and water.
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Solution
The correct option is C Both A and B
The ink that we use has water as the
solvent and the dye(solute) is soluble in it. While doing chromatography, the
water rises on the filter paper and it takes the dye particles along with it. Usually, a dye is a
mixture of two or more colours. The coloured
component that is more soluble in water, rises
faster and in this way, the colours get
separated and we can see red, green, blue and pink colours.
The ink that we use has water as the solvent and the dye(solute) is soluble in it.
While doing chromatography, the
water rises on the filter paper and it takes the dye particles along with it. Usually, a dye is a
mixture of two or more colours. The coloured
component that is more soluble in water, rises
faster and in this way, the colours get
separated and we can see red, green, blue and pink colours.
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