Worksheetsacid and alkali
Total questions: 12
Worksheet time: 6mins
alkali has pH value ________ than 7
lower
higher
which one turns blue litmus paper red?
distilled water
detergent
vinegar
limewater
toothpaste
when a drop of phenolphthalein is put into an alkaline substance, it will turn ________
red
colourless
green
pink
blue
What is the pH of distilled water?
pH 12
pH 3
pH 8
pH 7
What happens to the pH of an acid during neutralisation?
It stays the same
It moves toward pH 1
It moves towards pH 7
It moves towards pH 14
A wasp sting is alkali. Which substance would neutralise the sting?
Vinegar
Bleach
Baking soda
Distilled water
If you wanted to test a colourless and odourless substance at home, what household item could you use?
Red cabbage water
Bleach
Water
Vinegar
Which pH levels indicated a strong acid?
1-3
4-6
8-11
12-14
Which pH level indicates a weak alkali?
1-3
4-6
8-11
12-14
Strong acids and alkalis are...
Sour
Sweet
Corrosive/Caustic
Burn litmus paper
Acid in car battery:
Hydrochloric acid
Sulfuric acid
Acetic acid
Carbonic acid
