INDICATORS Flashcards
1
Q
What is the range of the Ph scale?
A
0-14
2
Q
What is the colour change of the Ph scale from acidic to alkali?
A
red - orange - green - blue - purple
3
Q
What colour does red litmus turn in the presence of acids and bases?
A
acid - red
base - blue
4
Q
What colour does blue litmus turn in the presence of acids and bases?
A
acid - red
base - blue
5
Q
What colour change can you observe in phenolphthalein?
A
acid - colourless
base - pink/purple
6
Q
What colour change can you observe in methyl orange?
A
acid - red
base - yellow
