Electrolysis Basics
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Questions and Answers

What are the types of electrodes used in electrolysis?

  • Anodes and Cathodes (correct)
  • Titanium and Silver
  • Sodium and Potassium
  • Aluminum and Copper

    • What happens to cations at the cathode during electrolysis?

  • They lose electrons to form non-metal molecules
  • They attract positively charged ions (cations)
  • They repel negatively charged ions (anions)
  • They gain electrons to form metal atoms or hydrogen gas (correct)

    • What are electrolytes?

  • Substances that can conduct electricity when molten or in solution (correct)
  • Substances that can't conduct electricity in any form
  • Substances that can conduct electricity only when molten
  • Substances that can conduct electricity when solid

    • What types of substances can conduct electricity when molten or in solution?

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

    Which type of electrode attracts positively charged ions (cations) during electrolysis?

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

    What is the purpose of using unreactive metals like platinum for making electrodes?

    <p>To avoid the electrodes reacting with the electrolyte</p> Signup and view all the answers

    What happens to anions at the anode during electrolysis?

    <p>They lose electrons to form non-metal molecules</p> Signup and view all the answers

    What does the electric current enter and leave the electrolyte through during electrolysis?

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

    What do ions in the electrolytes do under the conditions of being molten or in solution?

    <p>They gain or lose electrons easily</p> Signup and view all the answers

    What happens to anions at the anode during electrolysis?

    <p>They lose electrons to form non-metal molecules</p> Signup and view all the answers

    What are electrolytes?

    <p>Substances that can conduct electricity when molten or in solution</p> Signup and view all the answers

    What is the purpose of using unreactive metals like platinum for making electrodes?

    <p>To prevent the electrodes from reacting with the electrolyte</p> Signup and view all the answers

    What do ions in the electrolytes do under the conditions of being molten or in solution?

    <p>They can easily pass through to conduct electricity</p> Signup and view all the answers

    What does the electric current enter and leave the electrolyte through during electrolysis?

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

    Which type of electrode attracts positively charged ions (cations) during electrolysis?

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

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