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- Multiple ChoicePlease save your changes before editing any questions.
What is the pH of distilled water?
pH 12
pH 3
pH 8
pH 7
- Multiple ChoicePlease save your changes before editing any questions.
What colour does red litmus paper turn when added to an alkali?
Blue
Red
Green
Colourless
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What colour does blue litmus paper turn when added to an acid?
Blue
Red
Green
Colourless
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What other laboratory substance can you use to test if colourless substance is an acid or an alkali?
Catalyst
Salt
Universal Indicator
Water
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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
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A wasp sting is alkali. Which substance would neutralise the sting?
Vinegar
Bleach
Baking soda
Distilled water
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If you wanted to test a colourless and odourless substance at home, what household item could you use?
Red cabbage water
Bleach
Water
Vinegar
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Which substance is an acid?
Water
Bleach
Orange juice
Washing powder
- Multiple ChoicePlease save your changes before editing any questions.
Which pH levels indicated a strong acid?
1-3
4-6
8-11
12-14
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Which pH level indicates a weak alkali?
1-3
4-6
8-11
12-14
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Which pH level indicates a weak acid?
1-3
4-6
8-11
12-14
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Which pH level indicates a strong alkali?
1-3
4-6
8-11
12-14
- Multiple ChoicePlease save your changes before editing any questions.
Acids taste...
Sweet
Salty
Sour
Smooth
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Alkalis feel...
Rough
Granulated
Soapy
Smooth
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Strong acids and alkalis are...
Sour
Sweet
Corrosive/Caustic
Burn litmus paper
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What does this hazard symbol mean?
toxic
flammable
corrosive
explosive
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What pH range would you get for an acid?
0-6
7
7-14
2-10
- Multiple ChoicePlease save your changes before editing any questions.Pure water has a pH of 7. Pure water _______.is a baseis a neutral substancecould be either an acid or a baseis an acid
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PH scale
pH ruler
pH scale
pH statistical tables
- Multiple ChoicePlease save your changes before editing any questions.What is the pH value of vinegar?17411
- Multiple ChoicePlease save your changes before editing any questions.A solution with a pH of 8.6 would be...AcidBaseNeutralAcid and Base
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Acid + Alkali --> Salt + Water
neutralization reaction
synthesis
decomposition
single displacement
- Multiple ChoicePlease save your changes before editing any questions.A neutralization reaction will always produce...water & saltwatersaltwater & carbon
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Something that can be used to identify acid/alkali:
Indicator
Oxidator
Reductor
Terminator
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Which of the following acids do we have in our stomach?
Ethanoic acid
Hydrochloric acid
Nitric acid
Sulphuric acid