Bitesize has changed! We're updating subjects as fast as we can. Visit our new site to find Bitesize guides and clips - and tell us what you think!

Science

Chemical reactions

Analysing substances - Test

1.

Instrumental methods of analysis is particularly useful when:

2.

Artificial colours can be detected and identified using:

3.

What is the carrier in gas chromatography?

4.

What does the number of peaks on a gas chromatograph show?

5.

The time taken for a substance to travel through gas chromatography is called:

6.

The mass spectrometer can show: