Types Of Seperation

Question 1

What is evaporation?

Answer 1

Heating to separate a soluble substance (table salt) from water.

Question 2

What is filtration?

Answer 2

Separating an insoluble substance from a liquid by passing the mixture through porous paper.

Question 3

What is paper chromatography?

Answer 3

Using long strips of paper to draw lighter dissolved substances away from heavier dissolved substances (eg different colored dyes)

Question 4

What is distillation?

Answer 4

A combination of two substances - evaporation, followed by condensation (eg to make pure water from seawater)

Question 5

What is centrifuging?

Answer 5

Spinning to separate lighter from heavier substances (eg blood cells from plasma)

Question 6

What is a separating funnel?

Answer 6

A device to separate heavy liquids (eg water) from lighter liquids (eg kerosene)

Question 7

What is using a magnet?

Answer 7

Attracting substances made of iron, nickel and cobalt in order to separate them from other substances.

Question 8

What is decanting?

Answer 8

Pouring off the liquid at the top of a container with an insoluble substance (eg water and sand mixture)