Test your knowledge of different definitions of bases in chemistry with this qui...
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Questions and Answers

What did Svante Arrhenius propose as the definition of a base?

  • A substance that dissociates in aqueous solution to form hydroxide ions (correct)
  • A metal hydroxide such as NaOH or Ca(OH)2
  • A substance that reacts with acids to form water
  • A substance that changes the color of pH indicators

    • What characteristic properties were described for aqueous hydroxide solutions?

  • Neutral pH, transparent appearance, and no effect on litmus paper
  • Rough texture, sour taste, and no effect on pH indicators
  • Sweet taste, acidic pH, and colorless appearance
  • Slippery to the touch, bitter taste, and pH indicator color change (correct)

    • What is the effect of bases on the pH of water?

  • Decreases the pH of water
  • Increases the pH of water (correct)
  • Causes water to become acidic
  • Does not affect the pH of water

    • What type of reaction occurs between bases and acids?

    <p>Acid-base reaction to form water</p> Signup and view all the answers

    Who originally proposed the concept that bases are substances that react with acids?

    <p>G.-F. Rouelle</p> Signup and view all the answers

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