Chemical analysis Flashcards
1
Q
What is chromatography used for?
A
To separate the components in a mixture
2
Q
What does separation depend on?(chromatography)
A
- the size of molecules
- the polarity of the molecules
3
Q
What is volumetric analysis?
A
Using a solution of accurately known concentration to determine the concentration of an unknown solution.
4
Q
What is a standard solution?
A
A solution of accurately known concentration
5
Q
What is the end point of a titration?
A
The point at which the reaction is just complete
6
Q
What is an indicator?
A
A substance which changes colour at the end-point if a reaction
7
Q
A
