Describe activity to show that ink …
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Meghna Thapar 6 years, 1 month ago
Activity: To demonstrate the process of evaporation.
Aim: To obtain coloured component (dye) from blue/black ink.
Materials:
Procedure:
Observations:
We can see that the evaporation is taking place from the watch glass. Dye is left on the watch glass.
Conclusions:
Ink is a mixture of a dye in water. Thus, we can separate the volatile component (solvent) from its non-volatile solute by the method of evaporation.
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