Range of indicators Flashcards
1
Q
Methyl orange
A
3.2 - 4.5
Pink to yellow
2
Q
Methyl red
A
4.4 - 6.5
Red to yellow
3
Q
Phenolphthalein
A
8.3 - 10.5
Colour less to pink
4
Q
Indicators used for SA and SB
A
All
5
Q
Indicators used for WA and SB
A
Phenolphthalein
6
Q
Indicators used for SA and WB
A
Methyl red/ methyl orange