Elements, Compounds, Mixtures, Chromotography Flashcards
1
Q
What is an element
A
Substance made out of one type of atom
2
Q
What is a compound
A
Atoms of different elements react and join together
3
Q
What is a pure substance
A
When all particles are the same
4
Q
What is a mixture
A
Contains different particles
5
Q
What do you use filtering for
A
Separating solids and liquids
6
Q
What do you use sieving for
A
Separating solids of different sizes
7
Q
What do you use distillation for
A
Separating a solvent from its solution
8
Q
what do you use evaporation for
A
Separating a solid from a liquid
9
Q
What do you use chromatography for
A
Separating a mixture of dyes
10
Q
Why do you use pencil for the base line
A
Because lead is insoluble
