pH Scale And Neutralisation Flashcards
1
Q
Describe the pH scale
A
pH 1 = Acidic
pH 7 = Neutral
pH 14 = Alkali
2
Q
What is the neutralisation equation?
A
H± plus OH- ➡️ H2O
3
Q
What is phenolphthalein?
A
An indicator that will be pink in an alkali and clear in acids.
4
Q
What is methyl orange?
A
An indicator that will be yellow in an alkali, and in an acid will be bright red.
