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- 1. Multiple Choice
What is the meaning of the above hazard warning symbol?
Corrosive
Explosive
Toxic
Radioactive
- 2. Multiple Choice
Which substance is an acid?
Water
Bleach
Orange juice
Washing powder
- 3. Multiple Choice
Acids taste...
Sweet
Salty
Sour
Smooth
- 4. Multiple Choice
Alkalis feel...
Rough
Granulated
Soapy
Smooth
- 5. Multiple Choice
Strong acids and alkalis are...
Sour
Sweet
Corrosive/Caustic
Burn litmus paper
- 6. Multiple Choice
Which substance is alkali?
Toothpaste
Vinegar
Lemon juice
Soft drink
- 7. Multiple Choice
Lemon contains acid or alkali or neutral
Acid
Alkali
Neutral
- 8. Multiple Choice
What is an example of neutral
Vinegar
Water
Milk
Drain cleaner
- 9. Multiple Choice
The other name of alkali is basic
True
False
- 10. Multiple Choice
The color of litmus in acid:
Red
Blue
Purple
Green
- 11. Multiple Choice
have a sour taste
Acid
Base
- 12. Multiple Choice
Have bitter taste
Acid
Base
- 13. Multiple Choice
produce hydrogen ions (H+) in solution
Acid
Base
- 14. Multiple Choice
produce hydroxide ions (OH-) ions
Acid
Base
- 15. Multiple Choice
What is the pH of distilled water?
pH 12
pH 3
pH 8
pH 7
- 16. Multiple Choice
pH of alkali:
0
7
below 7
above 7
- 17. Multiple Choice
The color of litmus in neutral solution:
Red
Blue
Purple
Green
- 18. Multiple Choice
What is the name for a soluble base?
acid
alkali
neutral solution
- 19. Multiple Choice
The Latin word, acidus, means ... . It is the origin of the word acid.
sour
sweet
ashes of plants
ashes of animals
- 20. Multiple Choice
The Arabic word, alqali, means ... . It is the origin of the word alkali.
sour
sweet
ashes of plants
ashes of animals
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