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