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WorksheetsAcid
Total questions: 20
Worksheet time: 10mins
What is the pH of a strong acid?
1
7
14
6
What is the pH of a strong base?
7
12
8
6
Name the acid found in car batteries.
Hydrochloric acid
Sulfuric acid
Ethanoic acid
Carbonic acid
Name the acid found in our stomach.
Hydrochloric acid
Sulfuric acid
Acetic acid
Carbonic acid
Name the acid found in vinegar.
Hydrochloric acid
Sulfuric acid
Ethanoic acid
Carbonic acid
Which substance contains a base (also known as alkali)?
Toothpaste
Vinegar
Lemon juice
Soft drink
Which substance contains an acid?
Water
Lemons
Soap
Ammonia
What is the colour of litmus paper in acid?
blue litmus turns red
red litmus turns blue
blue litmus turns purple
red litmus turns green
Acids taste .....
sweet
bitter
sour
tasteless
If you wanted to test a colourless and odourless substance at home, what household item could you use?
vinegar
bleach
water
red cabbage liquid
What property do all three of these common household substances have in common?
they are all basic (alkali)
they taste sour
they have a pH below 7
they all turn litmus paper red
When Sally tested an unknown substance, her red litmus paper turned blue but her blue litmus paper did not change color.
What is the solution?
acid
water
neutral
base
On the pH scale what numbers are bases?
0 - 6
8 - 14
7
0
On the pH scale what numbers are acids?
0 - 6
8 - 14
7
0
If the pH of a solution is 9, it is a....
acid
base
both acid and base
none
According to the pH range, which substance is more acidic than lemon juice?
hydrochloric acid
cabbage
milk
lye
What is the colour of litmus paper in bases (alkalis)?
blue litmus turns red
red litmus turns blue
blue litmus turns purple
red litmus turns green
Which of the following can be used to test for the presence of acids?
(More than 1 answer)
lemon juice
litmus papers
Universal indicator
red cabbage liquid
Which of the following statements are true for Solutions A and B?
(More than 1 answer)
Both solutions are basic (alkaline).
Both solutions are acidic.
Solution B is more acidic than solution A.
Solution A is more acidic than solution B.
Which of the following are examples of bases (alkalis) found in the Science laboratory?
(More than 1 answer)
hydrochloric acid
ammonia solution
(also known as ammonium hydroxide)
sodium hydroxide
nitric acid
