Filtration

Question 1

What is filtration?

Answer 1

Filtration is a method of separating an insoluble solid which is suspended or settled from a liquid

Question 2

How are the components separated?

Answer 2

Due to their different particle sizes

Question 3

What happens when a mixture is filtered?

Answer 3

• the solid stays behind in the filter paper (it becomes the residue)
• the water passes through the filter paper (it becomes the filtrate)

Question 4

What does the filter paper act as?

Answer 4

The filter paper acts as a selective physical barrier that allows the liquid to pass through it but does not allow the solid to pass through.

Question 5

What does the same principle of the filter paper used in?

Answer 5

In purifying drinking water. Filter beds are used to remove suspended particles from the water.

Question 6

What also uses filters?

Answer 6

Motor cars also use filters to remove solid dirt particles from oil in the engine

Question 7

Filter paper

Answer 7

Has holes that are enough to let the liquid particles through, but are too small to allow the solid particles through

Question 8

Residue

Answer 8

solid remaining in the filter paper

Question 9

Filtrate

Answer 9

Liquid which passes through the filter paper