WorksheetspH indicators
Total questions: 12
Worksheet time: 6mins
Tick the 3 pH indicators
Phenolphthalein
Litmus
Hague Blue
Methyl orange
Which of these is the pH of an acid?
3
7
10
12
Which of these is the pH of an alkali?
3
5
7
9
What colours do we see with phenolphthalein?
red - orange
colourless - pink
red - orange - green - blue
red - blue
What colours do we see with methyl orange?
red - orange
colourless - pink
red - orange - green - blue
red - blue
What colours do we see with litmus paper?
red - orange
colourless - pink
red - orange - green - blue
red - blue
What colours do we see with universal indicator?
red - orange
colourless - pink
red - orange - green - blue
red - blue
Lemon juice is an..?
acid
alkali
Drain cleaner is an..?
acid
alkali
Oven cleaner is an..?
acid
alkali
tangfastic haribo are..?
acidic
alkaline
Fizzy drinks are..?
acidic
alkaline
