Mixtures - AQA

1

What is the best definition of a pure substance?

2

What is a mixture?

3

Which substance can be separated from its mixture by filtration?

4

Which method is used to obtain copper sulfate crystals from copper sulfate solution?

5

What happens when a mixture is heated in simple distillation?

6

Which method is used to obtain pure water from salt solution?

7

In chromatography, what is the mobile phase?

8

Which substance can be separated from its mixture with water by fractional distillation?

9

A mixture of three substances is separated by fractional distillation. Which substance is collected at the bottom of the column?

10

In chromatography, how many spots are produced by a pure substance?