Separating mixtures - Eduqas test questions - Eduqas

1

Which piece of apparatus holds the filter paper during filtration?

2

What is the name of the solid that collects in the filter paper during filtration?

3

How can the crystallisation process be changed to make larger crystals?

4

What is the correct order for obtaining copper(II) sulfate from a mixture of solid copper(II) sulfate and sand?

5

When air is cooled, the mixture of gases in it will liquefy. Which process can be used to separate liquid oxygen from liquid air?

6

Which of these is the correct expression for finding an Rf value?

7

How many spots are produced on the chromatogram of a pure substance?

8

A solution contains a number of dissolved solids. Which process is used to separate the solids from each other?

9

Which method of separation can be used to separate water from sea water?

10

Why is it important to use an electric heater when heating a mixture of ethanol and water?