Filtration and Crystallisation Flashcards
1
Q
What can filters do?
A
Separate some mixtures- they let small pieces or liquid through but insoluble substances or big pieces are stopped
2
Q
What is a solution?
A
A mixture of solutes in a liquid called the solvent
3
Q
What is a solute?
A
Dissolved substances
4
Q
What is crystallisation?
A
Solutes being separated from the solution by evaporating the solvent
5
Q
How to perform filtration and crystallisation in the lab?
A
- The solution is put through the filter paper- only the solvent and solute(s) pass through-this liquid is called the filtrate
- Bunsen burner used to evaporate the filtrate to form crystals
6
Q
What is a hazard?
A
Something that can cause harm
7
Q
What is a risk?
A
The chance of a hazard happening
