Chemistry in Society: Chemical Analysis Flashcards
1
Q
Chromatography does what?
A
Separates substances by making use of differences in their polarity or molecular size
2
Q
Chromatograms are used to show what?
A
How far a component has travelled or present graphical data showing retention time
3
Q
What is a standard solution?
A
A solution of accurately known concentration
4
Q
The end-point of a titration is when?
A
The point at which the reaction is just complete
5
Q
What is an indicator?
A
A substance which changes colour at the end-point
6
Q
Some titrations are what?
A
Self-indicating
7
Q
Redox titrations can be used to determine what?
A
The concentration of a substance
