We heat ink (mixture of dye and water) to obtain the coloured component (dye) in a watch glass. The process involved here is and the component removed from ink is __.

evaporation; water

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sublimation; dye

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evaporation; dye

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sublimation; water

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Solution

The correct option is A evaporation; water
Ink is a mixture of dye and water. Upon evaporation, water gets evaporated leaving behind the dye in the watch glass. Therefore, upon evaporation, water is removed from the ink.

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Similar questions

Q. Question 36
A child wanted to separate the mixture of dyes constituting a sample of ink. He marked a line by the ink on the filter paper and placed the filter paper in a glass containing water as shown in the figure. The filter paper was removed when the water moved near the top of the filter paper.
(a) What would you expect to see, if the ink contains three different coloured components?
(b) Name the technique used by the child.
(c) Suggest one more application of this technique.

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We heat ink (mixture of dye and water) to obtain the coloured component (dye) in a watch glass. The process involved here is ______ and the component removed from ink is ________.

The correct option is A evaporation; waterInk is a mixture of dye and water. Upon evaporation, water gets evaporated leaving behind the dye in the watch glass. Therefore, upon evaporation, water is removed from the ink.

We heat ink (mixture of dye and water) to obtain the coloured component (dye) in a watch glass. The process involved here is and the component removed from ink is __.

The correct option is A evaporation; water
Ink is a mixture of dye and water. Upon evaporation, water gets evaporated leaving behind the dye in the watch glass. Therefore, upon evaporation, water is removed from the ink.