Question

write the activity of evaporation of water from ink.
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Answer 1

Answer:

when we heat of the solution of water with ink at 100'C the water become evaporate and ink does not evaporate

Explanation:

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Answer 2

Aim : prove that increase a mixture of Dye in water.

apparatus required: beaker , watch glass , bunsen burner , water and few drops of ink , tripod stand.

procedure :

-- fill half of the beaker with water.

-- place awards class on the mouth of beaker.

-- put a few drops of ink on the watch.

-- now , let's start heating the beaker .

observations: we find the water evaporates and ink is left in watch glass.

conclusion: increase a mixture of Dye in water. thus by evaporation method , we can separate the volatile compound from its non volatile compound.