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- 1. Multiple Choice
Pure water has a pH of 7. This is considered to be:
Neutral
Acidic
Basic
None of the above
- 2. Multiple Choice
Sodas or soft drinks are considered to be:
Basic
Neutral
Acidic
None of the above
- 3. Multiple Choice
Which substance is basic?
Citrus fruits
Vegtables
Sodas
Eggs
- 4. Multiple Choice
pH 5 is considered to be a:
weak base
strong base
weak acid
strong acid
- 5. Multiple Choice
When red litmus paper turns blue...
you are testing an acid
you are testing a base
you are testing a neutral
- 6. Multiple Choice
When blue litmus paper turns red...
you are testing a base
you are testing a neutral
you are testing an acid
- 7. Multiple Choice
Which of the following is MOST acidic?
13
4
2
10
- 8. Multiple Choice
Is there is a substance that tests at pH 8.4, which is the best description?
It is slightly acidic
It is slightly basic
It is highly acidic
It is highly basic
- 9. Multiple Choice
A substance tests with a pH of 12.5 is...
slightly basic
highly acidic
slightly acidic
highly basic
- 10. Multiple Choice
The range for acidic substances is ______, and the range for basic substances is _____.
0-14 for both
0-7, 7-14
1-8, 10-14
1-4, 6-10
- 11. Multiple Choice
A pH of 11 is...
highly acidic
slightly acidic
highly basic
slightly basic
- 12. Multiple Choice
Which organ produces a base for digestion?
stomach
small intestine
spleen
pancreas
- 13. Multiple Choice
Which organ produces an acid to help with digestion?
pancreas
stomach
small intestine
liver
- 14. Multiple Choice
A pH of 4 is known as...
highly acidic
slightly acidic
highly basic
slightly basic
- 15. Multiple Choice
What pH is most likely to turn blue litmus paper red?
8
10
4
14
- 16. Multiple Choice
Which pH number ismost likely to turn red litmus paper blue?
4
6
1
10
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