Analysing substances

Instrumental methods of analysis is particularly useful when the amount of sample is very small.

2.

Artificial colours can be detected and identified using:

You said: Paper chromatography

Correct.

3.

What is the carrier in gas chromatography?

You said: A gas

Correct.

4.

The number of peaks on a gas chromatograph shows the number of compounds in the sample.

5.

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

You said: The retention time

Correct.

6.

The mass spectrometer can show:

You said: The relative molecular mass of a sample compound

Correct.