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 (D)</p> Signup and view all the answers

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

<p>Alkali (C)</p> Signup and view all the answers

What is the characteristic of a dibasic acid?

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

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

<p>They are corrosive (C)</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 (A)</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 (D)</p> Signup and view all the answers

What is an acid according to the Bronsted Lowry Theory?

<p>A proton donor (A)</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 (C)</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. (B)</p> Signup and view all the answers

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