Unit 9 - Acids, Bases, And Salts Test

31 Questions | Total Attempts: 147

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Acid Quizzes & Trivia

In chemistry, if a substance’s pH is between 0 and 7, it is acidic. If it is between 7 and 14, it is a base. If it is 7, it is neutral. What else do you know about these substances?


Questions and Answers
  • 1. 
    In a titration, the point where the indicator changes color and stays that way is the _______.
    • A. 

      PH point

    • B. 

      Endpoint

    • C. 

      Acid point

    • D. 

      Standard point

  • 2. 
    In a titration, the solution for which the concentration is known is called the _____.
    • A. 

      Indicator

    • B. 

      Hydrate

    • C. 

      Normal solution

    • D. 

      Standard solution

  • 3. 
    H3O+ units are called ____.
    • A. 

      Hydroxide ions

    • B. 

      Hydronium ions

    • C. 

      Hydroxyl groups

    • D. 

      Hydrogen ions

  • 4. 
    In an equation describing the ionization of an acid, double arrows pointing in opposite directions indicate the acid is _____.
    • A. 

      Negative

    • B. 

      Strong

    • C. 

      Neutral

    • D. 

      Weak

  • 5. 
    Our blood contains ______, which allow small amounts of acids or bases to be absorbed without harmful effects.
    • A. 

      Salts

    • B. 

      Esters

    • C. 

      Buffers

    • D. 

      Indicators

  • 6. 
    A compound formed in solution from the negative ion of an acid and the positive ion of a base is a _____.
    • A. 

      Salt

    • B. 

      Soap

    • C. 

      Glycerin

    • D. 

      Detergent

  • 7. 
    Which of the following substances will react to form an ester?
    • A. 

      Ethyl alcohol and sodium hydroxide

    • B. 

      Acetic acid and sodium chlorate

    • C. 

      Sodium chloride and ethyl alcohol

    • D. 

      Acetic acid and ethyl alcohol

  • 8. 
    Which of the following is NOT a characteristic shared by soaps and detergents?
    • A. 

      Has long carbons and chains

    • B. 

      Reacts with minerals to form insoluble substances often called scum

    • C. 

      May be classified as an organic salt

    • D. 

      Is used for cleaning

  • 9. 
    Which of the following is the best indicator of the number of hydronium ions in a solution?
    • A. 

      The pH of the solution

    • B. 

      The mass of the solution

    • C. 

      The color of the solution in the presence of an indicator

    • D. 

      The amount of water in the solution

  • 10. 
    Antacids work because they ______ excess stomach acid.
    • A. 

      Neutralize

    • B. 

      Contain

    • C. 

      Acidify

    • D. 

      Titrate

  • 11. 
    A solution with a bitter taste and slippery feel is most likely _____.
    • A. 

      An acid

    • B. 

      A base

    • C. 

      Salt

    • D. 

      An ester

  • 12. 
    HCl is the formula for ____.
    • A. 

      The hydronium ion

    • B. 

      Hydrochloric acid

    • C. 

      Hydrogen peroxide

    • D. 

      Sodium hydroxide

  • 13. 
    When you wash you hands with soap, you are using a(n) ______.
    • A. 

      Buffer

    • B. 

      Acid

    • C. 

      Base

    • D. 

      Indicator

  • 14. 
    The terms dilute and concentrated refer to the ____ of a solution.
    • A. 

      Concentration

    • B. 

      Strength

    • C. 

      PH

    • D. 

      Acidity

  • 15. 
    The strength of a base that only partly ionizes in solution would be described as _____.
    • A. 

      Dilute

    • B. 

      Weak

    • C. 

      Concentrated

    • D. 

      Strong

  • 16. 
    A reaction between an acid and a base that produces a salt and water is a(n) ______.
    • A. 

      Neutralization

    • B. 

      Synthesis

    • C. 

      Decomposition

    • D. 

      Endpoint

  • 17. 
    A substance that produces H+ ions in solution is a(n) _____.
    • A. 

      Acid

    • B. 

      Base

  • 18. 
    A substance that produces OH- ions in solution is a(n) ____.
    • A. 

      Acid

    • B. 

      Base

  • 19. 
    Organic salts are similar to soaps are _____.
    • A. 

      Detergents

    • B. 

      Esters

    • C. 

      Polyesters

  • 20. 
    A(n) ____ is formed from an acid and an alcohol.
    • A. 

      Detergent

    • B. 

      Ester

    • C. 

      Polyester

  • 21. 
    These synthetic fibers, known as _______, consist of chains containing many esters.
    • A. 

      Buffers

    • B. 

      Polyesters

    • C. 

      Detergents

  • 22. 
    Substances made when sodium or potassium hydroxide reacts with fatty acids are called ____.
    • A. 

      Soaps

    • B. 

      Detergents

    • C. 

      Esters

  • 23. 
    ___ is a measure of the hydronium ions in a solution.
    • A. 

      PH

    • B. 

      Neutralization

    • C. 

      Titration

  • 24. 
    A chemical reaction between an acid and a base is ______.
    • A. 

      PH

    • B. 

      Neutralization

    • C. 

      Titration

  • 25. 
    The process in which a solution of known concentration is used to find the concentration of a second solution is called _____.
    • A. 

      PH

    • B. 

      Neutralization

    • C. 

      Titration

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