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.
