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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 litmus paper turn when added to an alkali?
Blue
Red
Green
Colourless
- 3. Multiple Choice
A wasp sting is alkali. Which substance would neutralise the sting?
Vinegar
Bleach
Baking soda
Distilled water
- 4. 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
- 5. Multiple Choice
Which substance is an acid?
Water
Bleach
Orange juice
Washing powder
- 6. Multiple Choice
Which pH levels indicated a strong acid?
1-3
4-6
8-11
12-14
- 7. Multiple Choice
Which pH level indicates a strong alkali?
1-3
4-6
8-11
12-14
- 8. Multiple Choice
Strong acids and alkalis are...
Sour
Sweet
Corrosive/Caustic
Burn litmus paper
- 9. Multiple Choice
What does this hazard symbol mean?
toxic
flammable
corrosive
explosive
- 10. 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
- 11. Multiple ChoiceA solution with a pH of 3.6 would be...AcidBaseNeutralAcid and Base
- 12. Multiple ChoiceAccording to the pH range which substance is more acidic than lemon juiceHydrochloric acidcabbagemilk
- 13. Multiple Choice
What colour is pH neutral?
Yellow
Orange
Red
Green
- 14. Multiple Choice
Acid in our stomach:
Hydrochloric acid
Sulfuric acid
Acetic acid
Carbonic acid
- 15. Multiple Choice
Acid in car battery:
Hydrochloric acid
Sulfuric acid
Acetic acid
Carbonic acid
- 16. Multiple Choice
The color of litmus in neutral solution:
Red
Blue
Purple
Green
- 17. Multiple Choice
Reaction between acid and alkali producing salt and water:
Combustion
Neutralization
Precipitation
Decomposition
- 18. Multiple Choice
Which of the following substances are alkalis?
Calcium hydroxide
Soap
Orange juice
Apple cider
- 19. Fill in the Blank
_____________ are used to neutralise acid in the stomach.
- 20. Fill in the Blank
What colour does litmus paper change to in an acid?
- Answer choicesTagsAnswer choicesTags