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WorksheetsAcids and Alkalis
Total questions: 25
Worksheet time: 37mins
What is the pH of distilled water?
pH 12
pH 3
pH 8
pH 7
What colour does red litmus paper turn when added to an alkali?
Blue
Red
Green
Colourless
What colour does blue litmus paper turn when added to an acid?
Blue
Red
Green
Colourless
What other laboratory substance can you use to test if colourless substance is an acid or an alkali?
Catalyst
Salt
Universal Indicator
Water
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 substance is an acid?
Water
Bleach
Orange juice
Washing powder
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
Which pH level indicates a weak acid?
1-3
4-6
8-11
12-14
Which pH level indicates a strong alkali?
1-3
4-6
8-11
12-14
Acids taste...
Sweet
Salty
Sour
Smooth
Alkalis feel...
Rough
Granulated
Soapy
Smooth
Strong acids and alkalis are...
Sour
Sweet
Corrosive/Caustic
Burn litmus paper
What does this hazard symbol mean?
toxic
flammable
corrosive
explosive
What pH range would you get for an acid?
0-6
7
7-14
2-10
PH scale
pH ruler
pH scale
pH statistical tables
Acid + Alkali --> Salt + Water
neutralization reaction
synthesis
decomposition
single displacement
Something that can be used to identify acid/alkali:
Indicator
Oxidator
Reductor
Terminator
Which of the following acids do we have in our stomach?
Ethanoic acid
Hydrochloric acid
Nitric acid
Sulphuric acid
