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- 1. Multiple Choice
The pH of pure water
5.6
7.0
8.1
0.0
- 2. Multiple Choice
What is the meaning of the above hazard warning symbol?
Corrosive
Explosive
Toxic
Radioactive
- 3. Multiple Choice
Acid in our stomach:
Hydrochloric acid
Sulfuric acid
Acetic acid
Carbonic acid
- 4. Multiple Choice
Acid in soft drink:
Hydrochloric acid
Sulfuric acid
Acetic acid
Carbonic acid
- 5. Multiple Choice
Acid in car battery:
Hydrochloric acid
Sulfuric acid
Acetic acid
Carbonic acid
- 6. Multiple Choice
Acid in vinegar:
Hydrochloric acid
Sulfuric acid
Acetic acid
Carbonic acid
- 7. Multiple Choice
Which substance is alkali?
Toothpaste
Vinegar
Lemon juice
Soft drink
- 8. Multiple Choice
Which substance is avid?
Toothpaste
Vinegar
Soap
Ammonia
- 9. Multiple Choice
The color of litmus in acid:
Red
Blue
Purple
Green
- 10. Multiple Choice
The color of litmus in alkali:
Red
Blue
Purple
Green
- 11. Multiple Choice
The color of litmus in neutral solution:
Red
Blue
Purple
Green
- 12. Multiple Choice
The color of universal indicator in pure water:
Red
Blue
Purple
Green
- 13. Multiple Choice
Acids taste .....
sour
bitter
sweet
umami
- 14. Multiple Choice
Rain water is slightly acidic. What is its pH?
1.0
5.6
7.0
8.2
- 15. Multiple Choice
Indigestion can be treated by drinking ....
water
antacid
vinegar
sodium hydroxide
- 16. Multiple Choice
Reaction between acid and alkali producing salt and water:
Combustion
Neutralization
Precipitation
Decomposition
- 17. Multiple Choice
Something that can be used to identify acid/alkali:
Indicator
Oxidator
Reductor
Terminator
- 18. Multiple Choice
The color of universal indicator in hydrochloric acid:
Red
Blue
Purple
Green
- 19. Multiple Choice
The color of universal indicator in sodium hydroxide:
Red
Yellow
Purple
Green
- 20. Multiple Choice
pH of alkali:
0
7
below 7
above 7
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