2.6 Chromatography Flashcards
1
Q
What kind of substances do chromatography separate?
A
Mixtures.
2
Q
What is chromatography?
A
Chromatography is a scientific method for separating the components found in a mixture.
3
Q
How does chromatography work?
A
Chromatography works by using paper, a solvent, and a pencil line to separate the colours in a mixture based on how fast they move up the paper.
4
Q
Why do some colours move higher up the paper than others?
A
Because they are more soluble in the solvent and less sticky to the paper.
5
Q
What safety step should you always take when doing chromatography?
A
Wear goggles and make sure the solvent is used in a ventilated area.
