Unit 3 Target 3: pH Quiz

8 Questions | Total Attempts: 768

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Science Quizzes & Trivia

Questions and Answers
  • 1. 
    Which solution has the greatest concentration of hydroxide ions (OH-)?
    • A. 

      Urine (pH 6.0)

    • B. 

      Rainwater (pH 5.5)

    • C. 

      Tomato juice (pH 4.0)

    • D. 

      Gastric juice (pH 2.0)

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

      It increases by a factor of 2.

    • B. 

      It increases by a factor of 100.

    • C. 

      It decreases by a factor of 2.

    • D. 

      It decreases by a factor of 100.

  • 3. 
    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?
    • A. 

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

    • B. 

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

    • C. 

      The pH will not change.

    • D. 

      The pH will increase.

  • 4. 
    Netural solutions have a pH of 
    • A. 

      0

    • B. 

      7

    • C. 

      9

    • D. 

      14

  • 5. 
    Which is true?
    • A. 

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

    • B. 

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

    • C. 

      Option 3

    • D. 

      Option 4

  • 6. 
    If a solution has 455,000 H+ at at pH of 3, how many H+ would there be at a pH of 5?
    • A. 

      455

    • B. 

      4,550

    • C. 

      45,500,000

    • D. 

      4,550,000

    • E. 

      45,500

  • 7. 
    If a solution has 9,700 H+ at a pH of 8, how many H+ would there be at a pH of 5?
    • A. 

      970

    • B. 

      9.70

    • C. 

      97,000

    • D. 

      970,000

    • E. 

      9,700,000

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

      4,200

    • B. 

      42,000,000

    • C. 

      4,200,000

    • D. 

      42,000

    • E. 

      420

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