Unit 3 Target 2: pH Quiz

10 Questions | Total Attempts: 142

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Unit 3 Target 2: pH Quiz


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. 
    Which of the following statements is true concerning acids and bases?
    • A. 

      Acids and bases don't react with each other

    • B. 

      Acids mixed with bases neutralize each other

    • C. 

      Acids mixed with bases make stronger bases

    • D. 

      Acids mixed with bases make stronger acids

  • 5. 
    Which is the correct set of acid properties?
    • A. 

      Sour taste, corrosive, change litmus from red to blue

    • B. 

      Sour taste, corrosive, change litmus from blue to red

    • C. 

      Sweet taste, slippery, change litmus from blue to red

    • D. 

      Sour taste, slippery, change litmus from blue to red

  • 6. 
    Netural solutions have a pH of 
    • A. 

      0

    • B. 

      7

    • C. 

      9

    • D. 

      14

  • 7. 
    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

  • 8. 
    If a solution has 345,000 H+ at a pH of 3, how many H+ would there be at a pH of 5?
    • A. 

      345

    • B. 

      3,450

    • C. 

      34,500,000

    • D. 

      3,450,000

    • E. 

      34,500

  • 9. 
    If a solution has 640,000 OH- at a pH of 8, how many OH- would there be at a pH of 9?
    • A. 

      6,400

    • B. 

      64,000,000

    • C. 

      6,400,000

    • D. 

      64,000

    • E. 

      640

  • 10. 
    If a solution has 2,800 H+ at a pH of 8, how many H+ would there be at a pH of 5?
    • A. 

      280

    • B. 

      2.80

    • C. 

      28,000

    • D. 

      280,000

    • E. 

      2,800,000

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