indicators - SC8 Flashcards
1
Q
name some common indicators
A
methyl orange, phenolphthalein, litmus
2
Q
what colour does methyl orange turn in acidic solutions?
A
red
3
Q
what colour does litmus turn in an acidic solution
A
red
4
Q
what colour does methyl orange turn in an alkali solution
A
yellow
5
Q
what colour does litmus turn in an alkali solution
A
blue
6
Q
what colour does pheno turn in an alkali solution?
A
pink
7
Q
what colour does pheno turn in an acidic solution
A
colourless
