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pH Scale (Grade 7)

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pH Scale

1. 
The measure of pH is a logarithmic scale.
  1. True
  2. False
 
2. 
Acids have a high pH.
  1. True
  2. False
3. 
A solution with a pH of 9 is ten times more acidic than a solution with a pH of 8.
  1. True
  2. False
 
4. 
A solution with a pH of 13 can cause a chemical burn if spilled on skin.
  1. True
  2. False
5. 
A household cleaner has a pH around 10. It would be considered a:
  1. base
  2. acid
  3. neutral
  4. liquid
 
6. 
Which pH range describes strong acids?
  1. 0-7
  2. 6-8
  3. 11-15
  4. 0-4
7. 
Distilled water with a pH of 7 is:
  1. a salt
  2. an alkali
  3. an acid
  4. neutral
 
8. 
Which could be the pH of an acidic substance?
  1. 3
  2. 7
  3. 11
  4. 13
9. 
The number that indicates a neutral pH.
  1. 0
  2. 5
  3. 7
  4. 10
 
10. 
A solution at pH 11.5 is
  1. acidic
  2. basic
  3. neutral
  4. none of the above
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