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Worksheet: The pH Scale

Q1:

Ocean water has a pH of 8. Is it acidic, basic, or neutral?

  • ANeutral
  • BAcidic
  • CBasic

Q2:

In which range of values would the pH of a basic solution be found?

  • A>10
  • B<7
  • C<10
  • D>7
  • E>5

Q3:

Orange juice has a pOH of 9.8. Is it acidic, basic, or neutral?

  • ANeutral
  • BBasic
  • CAcidic

Q4:

Is a solution of pH 6.9 acidic, basic, or neutral?

  • ANeutral
  • BBasic
  • CAcidic

Q5:

Milk of magnesia has a pOH of 3.5. Is it acidic, basic, or neutral?

  • ANeutral
  • BAcidic
  • CBasic

Q6:

In which range of values would the pH of an acidic solution be found?

  • A<5
  • B>7
  • C>5
  • D<7
  • E<10

Q7:

Coffee has a pH of 5. Is it acidic, basic, or neutral?

  • ANeutral
  • BBasic
  • CAcidic

Q8:

Is a solution of pH 3.2 acidic, basic, or neutral?

  • ANeutral
  • BBasic
  • CAcidic

Q9:

What is the pH of a neutral solution at room temperature?

Q10:

Calcium carbonate will produce a fizz of carbon dioxide when added to lemon juice. Based on this observation, what can be said about the pH of lemon juice?

  • A <5
  • B >7
  • C >5
  • D <7
  • E <10