WorksheetspH scale
Total questions: 10
Worksheet time: 5mins
How many level are there in pH scale ?
1
7
11
14
What happens to litmus paper in acidic solutions?
Red litmus turns blue
Blue litmus turns red
Yellow litmus turns green
Universal indicator solution is usually green to begin with. What does this mean?
It is acidic
It is alkaline
It is neutral
A liquid has a pH of 8. What does this mean?
it is neutral
It is weakly acidic
it is weakly akline
A liquid has a pH of 1. What does this mean?
It must be sodium hydroxide solution
It is strongly acidic
It is weakly akline
Which acid could be used to make ammonium nitrate (a type of fertiliser)?
Hydrochloric acid
Sulfuric acid
Nitric acid
Which salt is made when copper oxide and sulfuric acid react together?
Copper sulfate
Copper sulfuroxide
Copper sulfide
What is the result of neutralisation reaction
salt, water
alkaline, acid
salt, alkaline
Our stomach contain ____________ to help us digest food
strong alkaline
salspecial salt and water
strong acid
pH of soap is 8, soap is ________
strongly acidic
neutral
weakly alkaline
