C2.2.4 - Filtration Flashcards
1
Q
What is filtration?
A
A method of separating insoluble solids from liquids.
2
Q
Can filtering be used to separate a solute from a solution? E.g. salt from saltwater.
A
No - only insoluble solids can be separated e.g. sand from water.
3
Q
Identify the missing label

A
Clamp

4
Q
Identify the missing label

A
Conical flask

5
Q
Identify the missing label

A
Filter funnel

6
Q
Identify the missing label

A
Filter paper

7
Q
Identify the missing label

A
Filtrate

8
Q
Identify the missing label

A
Residue

9
Q
What is the student doing?

A
Filtering/Filtration

10
Q
Give an example of where filtration is used in the real world.
A
- Separating coffee solution from coffee beans in coffee machines.
- Oil filters in cars stop dirt getting into a car engine.
- Sand filters make water safe to drink
11
Q
Describe how to carry out the process of filtration of rock salt
A
- Add water to a rocksalt mixture
- Stir. The salt dissolves, the sand does not.
- Pour the mixture into a filter paper funnel. Salt solution passes through the paper. The residue is sand.