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12 questions
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- 1. Multiple Choice
Which of these taste sour?
acids
bases
salts
- 2. Multiple Choice
Which of these feel slippery?
bases
acids
salts
- 3. Multiple Choice
Which of these turn red litmus paper blue?
acids
bases
salts
- 4. Multiple Choice
The pH scale is used to determine the strength of
acids and bases
chemical bonds
electrical charges
particles in a solution
- 5. Multiple Choice
Anything with a pH of 7 is a(n)
neutral substance
acid
base
chemical salt
- 6. Multiple Choice
Chemicals formed when an acid and a base combine.
salts
noble gases
metalloids
hydroxides
- 7. Multiple Choice
A weak base will have a pH close to
8
6
0
14
- 8. Multiple Choice
A very strong acid will have a pH of
0
14
5
9
- 9. Multiple Choice
Unsweetened chocolate tastes bitter because chocolate contains a
base
acid
chemical salt
- 10. Multiple Choice
Bases turn Red litmus to ...................
Green
Yellow
Blue
Black
- 11. Multiple Choice
If the given solution neither changes the colour of the red litmus nor blue litmus paper , it is ..........................
An Acid
A base
Neutral
Colourless
- 12. Multiple Choice
Which method is recommended to dilute an acid
An acid is added to water
Water added to acid
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