Is Matter Aroun...

How can we obtain coloured component from blue/black ink?

Seperation of dye from blue/black ink via evaporation is:

Pure copper sulphate $$(CuSO_4)$$ can be obtained from an impure sample by :

While separating dye from blue/black ink, what do you think which has got evaporated from watch glass?

What is the basic concept used in separating a dye from blue/black ink?

While doing chromatography using black ink, the results seen is/are:

In the experiment that we do for separating dyes in black ink using chromatography, which component of colour rises faster on the filter paper?

Mark the correct statement regarding "solution".

How can you prove that dye in a black ink is a mixture of many colors?

A liquid is contaminated with non-volatile impurities. Suggest method of purification.