Question

2. The dyes present in fountain pen ink can be separated by
the technique
(a) Fractional distillation
(b) Both evaporation and chromatography
(c) Crystallisation
(d) Chromatography
3. Pure Copper Sulphate can be obtained from an impure sample
by the process of:
(a) Evaporation (b) Fractional distillation
(c) Centrifugation (d) Crystallisation
4. The technique which is used to separate particles of a solid
suspended in a liquid quickly is called:
(a) Decantation (b) Centrifugation
(c) Sedimentation (d) Filtration
om an aqueous sugаr solution is:​

Answer 1

Answer:

2.chromatography ...........