Unit 3 Target 3: pH Quiz

8 Questions | Attempts: 770
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  • 1/8 Questions

    Netural solutions have a pH of 

    • 0
    • 7
    • 9
    • 14
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  • 2. 

    Which is true?

    • PH of less than 7 is basic; pH of more than 7 is acidic

    • PH of less than 7 is acidic; pH of more than 7 is basic

    • Option 3

    • Option 4

    Correct Answer
    A. pH of less than 7 is acidic; pH of more than 7 is basic
  • 3. 

    If a solution has 420,000 OH- at a pH of 8, how many OH- would there be at a pH of 9?

    • 4,200

    • 42,000,000

    • 4,200,000

    • 42,000

    • 420

    Correct Answer
    A. 4,200,000
  • 4. 

    Which solution has the greatest concentration of hydroxide ions (OH-)?

    • Urine (pH 6.0)

    • Rainwater (pH 5.5)

    • Tomato juice (pH 4.0)

    • Gastric juice (pH 2.0)

    Correct Answer
    A. Urine (pH 6.0)
  • 5. 

    If a solution has 455,000 H+ at at pH of 3, how many H+ would there be at a pH of 5?

    • 455

    • 4,550

    • 45,500,000

    • 4,550,000

    • 45,500

    Correct Answer
    A. 4,550
  • 6. 

    If a solution has 9,700 H+ at a pH of 8, how many H+ would there be at a pH of 5?

    • 970

    • 9.70

    • 97,000

    • 970,000

    • 9,700,000

    Correct Answer
    A. 9,700,000
  • 7. 

    As part of an experiment, a student adds 10 mL of 5% hydrochloric acid solution to 100 mL of a non-buffered, colorless solution of sugar.  What is the most likely result?

    • The concentration of hydroxide ions (OH-) will increase.

    • The concentration of hydrogen ions (H+) will increase.

    • The pH will not change.

    • The pH will increase.

    Correct Answer
    A. The concentration of hydrogen ions (H+) will increase.
  • 8. 

    When the pH in a stomach increases from 2 to 4, how does the hydrogen ion concentration change?

    • It increases by a factor of 2.

    • It increases by a factor of 100.

    • It decreases by a factor of 2.

    • It decreases by a factor of 100.

    Correct Answer
    A. It decreases by a factor of 100.

Quiz Review Timeline (Updated): Oct 22, 2021 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Oct 22, 2021
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 15, 2014
    Quiz Created by
    Jdowdyrobinson

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