Instrumental methods of analysis is particularly useful when the amount of sample is very small.
Artificial colours can be detected and identified using:
You said: Paper chromatography
What is the carrier in gas chromatography?
You said: A gas
The number of peaks on a gas chromatograph shows the number of compounds in the sample.
The time taken for a substance to travel through gas chromatography is called:
You said: The retention time
The mass spectrometer can show:
You said: The relative molecular mass of a sample compound