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- 1. Multiple Choice
Neutral solutions have a pH of:
0
1
7
14
- 2. Multiple Choice
Vinegar, fruit juice, and cola are examples of:
strong acids
strong bases
strong bases
weak acids
- 3. Multiple Choice
Is laundry detergent an acid or an alkali?
Acid
Alkali
Neither (Neutral)
- 4. Multiple Choice
Is pure water acidic, alkali, or neutral?
Acidic
Alkali
Neutral
- 5. Multiple Choice
Vinegar is an example of:
An acid.
An alkali.
Neither an acid nor an alkali.
- 6. Multiple Choice
Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
Acids; pH less than 7
Acids; pH greater than 7
Alkali; pH greater than 7
Alkali; pH less than 7
- 7. Multiple Choice
The pH of a solution is tested, and it is found to be an alkaline solution. Of the following choices, what could the pH have been?
3
9
7
5
- 8. Multiple ChoiceWhen using pH paper, the pH of a solution can be determined by looking at the _______ of the paper.texturecolorlengthmass
- 9. Multiple Choice
What would be considered the weakest alkali?
8
14
7.8
11.6
- 10. Multiple Choice
Which of the following is an acid?
vinegar
bleach
sugar in water
starch in water
toothpaste in water
- 11. Multiple Choice
Alkalis will turn litmus paper __________, while acids will turn litmus paper __________.
blue.....red
red.....blue
pink.........colourless
colourless..........pink
- 12. Multiple ChoiceThe pH of a strong acid would be:1-25-68-912-13
- 13. Multiple Choice
According to the image, the substance tested is a...
Acid
Neutral
Strong Acid
Alkali
- 14. Multiple Choice
According to the image, the substance tested is a...
Acid
Alkali
Neutral
Strong Acid
- 15. Multiple Choice
What are indicators used for
Measuring density of substances
Drinking
Measuring strength of acids or alkalis
Decoration
- 16. Multiple Choice
Are indicatiors safe to drink
No
Yes
Could be
IT IS DANGEROUS
- 17. Multiple Choice
How many colours does Universal indicator have?
1-14
3-10
2-11
All of the above
- 18. Multiple Choice
What products at home have alkali?
Toothpaste
Orange juice
Milk
Tea
- 19. Multiple Choicewhy are acids not stored in metal containers?because they react with metalsbecause they hate metalsa and bnone of the above
- 20. Multiple Choice
Substance that shows change in colour when brought in contact with acids and alkali
instructors
neutralizer
indicators
salts
- 21. Multiple Choice
from what number to what number does alkali on the pH scale ?
1-7
8-14
8-12
8-100
- 22. Multiple Choice
from what number to what number is acid ?
1-7
1-6
1-14
2-7
- 23. Multiple ChoiceWhich sentence below best describes how the pH changes when an alkali is neutralised by an acid?The pH stays the sameThe pH stays the same but then drops rapidly to pH 7.The pH drops gradually as more and more acid is added to the mixture.The pH goes straight to 7 as soon as any of the acid is added.
- 24. Multiple ChoiceWhat gas is released when an acid reacts with an reactive metal?OxygenHydrogenHeliumBromine
- 25. Multiple ChoiceWhich of the following is NOT a property of an acid?Tastes sourCorrosiveChanges the colour of blue litmus paper to redHas a pH value higher than 7
- 26. Multiple ChoiceWhich of the following is a strong alkali?Sodium hydroxidePotassium nitrateSodium nitratePotassium sulphate
- 27. Multiple ChoiceWhat is the pH value of toothpaste?17148
- 28. Multiple ChoiceWhat is the pH value of vinegar?17411
- 29. Multiple ChoiceWhat is the pH value of pure water?71448
- 30. Multiple ChoiceWhat type of acid can be found in a car battery?Ethanoic acidNitric acidHydrochloric acidSulphuric acid
- 31. Multiple ChoiceWhat is the process that takes place when an acid reacts with an alkali?TitrationEvaporationNeutralisationSublimation
- Answer choicesTagsAnswer choicesTags