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- 1. Multiple ChoiceAcids react withwater to produce bases and saltssalts to produce bases and waterneither bases, salts nor waterbases to produce salts and water
- 2. Multiple Choice
Which of these pH values represent an acid?
4
8
10
12
- 3. Multiple Choice
Milk is a very weak acid. What might its pH value be?
6.5
7.8
4.2
12.2
- 4. Multiple Choice
Which of the following are properties of acids?
They conduct electricity when dissolved in water
They taste sour
They react with metals to produce hydrogen gas
All of the answer choices are correct
- 5. Multiple Choice
Which of the following is an acid?
vinegar
bleach
sugar in water
starch in water
toothpaste in water
- 6. Multiple Choice
Which of the following is a property of a base?
bitter taste
reacts with metals
salty
sour taste
- 7. Multiple Choice
All bases have a sour taste.
True
False
- 8. Multiple Choice
Which of the following pH values represents a base?
2.1
4.6
6.8
8.1
- 9. Multiple Choice
The strongest bases have pH values close to
0
14
7
5
- 10. Multiple Choice
Bases turn blue litmus paper red.
True
False
- 11. Multiple ChoiceWhich of the following is a base?orange juicewatervinegardishwashing detergent
- 12. Multiple ChoiceWhich of the following statements is correct?Blue litmus paper turns red when placed in a base.Red litmus paper turns blue when placed in a base.Blue litmus paper stays blue when placed in an acid.Red litmus paper stays red when placed in a base.
- 13. Multiple ChoiceWhich of the following is an acid?shampoobaking sodaorange juicewater
- 14. Multiple ChoiceThe pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?3975
- 15. Multiple ChoiceHuman blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?strongly acidicslightly acidicstrongly basicslightly basic
- 16. Multiple ChoiceWhat would be considered the weakest base?8147.811.6
- 17. Multiple ChoiceMany cleaning solutions are bases. Which of the following is a property of most bases?feels slipperywhite colorcan only be liquidtastes sour
- 18. Multiple ChoiceIf an acid is combined with a base of equal strength, the result will most likely bea neutral solution.a stronger acid.impossible to tell without testing the pH.a stronger base
- 19. Multiple Choice
What is considered to be in the middle of the pH scale
acidic
neutral
basic
indicator
- 20. Multiple Choice
A type of chemical that forms solutions that taste sour, due to high concentrations of positive hydrogen ions
acid
base
salt
pH
- 21. 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
- 22. Multiple ChoiceWhen found in food, acids are ________SourBitterSaltySlippery
- 23. Multiple ChoiceWhen found in food, bases are _______.SourBitterSaltySoggy
- 24. Multiple ChoiceWhat color does acid turn litmus paper?It turns litmus paper purple.It turns red litmus paper blue.It turns blue litmus paper blue.It turns blue litmus paper red.
- 25. Multiple ChoiceWhat color does bases turn litmus paper?It turns litmus paper purple.It turns blue litmus paper red.It turns red litmus paper blue.It turns red litmus paper re
- 26. Multiple ChoiceDrain cleaner has a pH of 13. What is drain cleaner?An acid.A strong base.Neutral.A weak base.
- 27. Multiple ChoiceWhat are properties of acids?Bitter, slippery, ph above 7Sour, reacts with metals, ph below 7Sour, reacts with metals, ph above 7Bitter, ph of 7, does not react with metals
- 28. Multiple ChoiceWhat are properties of a base?Slippery, bitter, does not react with metals, pH above 7.Slippery, bitter, reacts with metals, pH below 7.Sour, reacts with metals, pH below 7Sour, reacts with metals, pH above 7.
- 29. Multiple ChoiceWhat is corrosion?The release of oxygenBreakdown of a metal
- 30. Multiple ChoiceIron rust in the presence of:VacuumMoistureOxygenMoisture and Oxygen
- 31. Multiple ChoiceIs this an example of corrosion?YesNo
- 32. Multiple ChoiceWhich of the following metals is very unreactive and unlikely to corrode.CopperGoldsodiumPotassium
- Answer choicesTagsAnswer choicesTags