Mixtures Flashcards
1
Q
What is a mixture?
A
Two or more elements or compounds not chemically combined.
2
Q
How are the chemical properties of substances in a mixture?
A
Unchanged.
3
Q
Name physical processes for separating mixtures.
A
Filtration, crystallisation, simple distillation, fractional distillation, and chromatography.
4
Q
What do these physical processes not involve?
A
Chemical reactions; no new substances are made.
