3 Acids and Bases: MCQ2
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Questions and Answers

What is the common characteristic of acids that distinguishes them from bases?

  • They turn red litmus blue
  • They have a pH > 7
  • They react with metals to form hydrogen (correct)
  • They are corrosive

    • According to the Arrhenius Theory, what is the characteristic of an Arrhenius base?

  • It forms hydrogen ions
  • It is corrosive
  • It forms hydroxide ions (correct)
  • It donates one H+ ion

    • What is the term for the reaction between an acid and a base to form a neutral solution of salt and water?

  • Acidification
  • Dissociation
  • Corrosion
  • Neutralization (correct)

    • Which of the following is a limitation of the Arrhenius Theory?

    <p>It is limited to reactions that take place in water</p> Signup and view all the answers

    What is the term for a base that dissolves in water?

    <p>Alkali</p> Signup and view all the answers

    What is the characteristic of a dibasic acid?

    <p>It donates two H+ ions</p> Signup and view all the answers

    Which of the following is an evidence that supports the Arrhenius Theory?

    <p>It explains why strong acids only conduct electricity in water</p> Signup and view all the answers

    What is the primary reason why strong acids can only conduct electricity in water?

    <p>They dissociate in aqueous solution to form hydrogen ions</p> Signup and view all the answers

    Which of the following is a characteristic of both acids and bases?

    <p>They are corrosive</p> Signup and view all the answers

    What is the main difference between a monobasic acid and a dibasic acid?

    <p>The number of H+ ions donated</p> Signup and view all the answers

    Why do weak acids and bases conduct electricity poorly?

    <p>Because they do not dissociate in aqueous solution</p> Signup and view all the answers

    What is an acid according to the Bronsted Lowry Theory?

    <p>A proton donor</p> Signup and view all the answers

    What is the term for a substance that can act as both an acid and a base?

    <p>It is amphoteric</p> Signup and view all the answers

    What is a conjugate acid - base pair?

    <p>species which differ by the presence or absence of a proton.</p> Signup and view all the answers

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