Question

The dyes present in fountain pen ink can be separated by the technique of (a) fractional distillation
(b) infrared photography
(c) crystallisation
(d) chromatography

Answer 1

Answer:

d) chromatography

this is definitely the correct answer.

It is already given in the ncert book.

Answer 2

Answer is Option .D Chromatography

Explanation:

• The mixture of different colors/dyes/inks is separated by the process of chromatography.

• Chromatography is a technique used to separate the contents of a mixture, where solute particles are in extremely small quantities.

In order to make mixtures we employ chromatography.

• There is a Mobile Phase (In which mixture is dissolved), it takes the mixture through a Stationary Phase (Structure that holds another material)

Inside the mixture, all ingredients (Constituents) have different speeds of travel, hence separating them