Seperation Techniques

Question 1

Filtration

Answer 1

Seperation of an undissolved solid from from a mixture of the solid and liquid/solution

Question 2

Crystallisation

Answer 2

Seperation of a dissolved solid from a solution

Question 3

Simple distillation

Answer 3

separate a liquid and a soluble solid from a solution

Question 4

fractional distillation

Answer 4

Separate a mixture with 2 or more elements into fractions

Question 5

What is paper chromatography

Answer 5

Its a method of separating dissolved chemical substances by their different migration rates across sheets of paper.

Question 6

How does paper chromatography work?

Answer 6

It’s carried out on paper, a spot of the mixture is placed near the bottom of a piece of chromatography paper. The paper is then placed upright in a suitable solvent,such as water. As the solvent soaks up the paper it carries the mixture with it.