Water Chemistry Quiz
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Questions and Answers

What angle do the hydrogen atoms form with the oxygen atom in a water molecule?

  • 120°
  • 180°
  • 104.45° (correct)
  • 90°
  • What is the chemical formula of water?

  • NaCl
  • HCl
  • CO2
  • H2O (correct)
  • What percentage of Earth's surface is covered by water?

  • 50%
  • 30%
  • 71% (correct)
  • 90%
  • In what form does water exist on Earth due to its relatively close environment to water's triple point?

    <p>Solid, liquid, and gas</p> Signup and view all the answers

    What is the main constituent of Earth's hydrosphere and the fluids of all known living organisms?

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

    What is the state of water at its triple point due to Earth's environment being relatively close to it?

    <p>Solid, liquid, and gas</p> Signup and view all the answers

    What is the percentage of water that covers Earth's surface?

    <p>71%</p> Signup and view all the answers

    In what form does crystalline ice precipitate when finely divided?

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

    What is the chemical formula of water?

    <p>H2O</p> Signup and view all the answers

    What is the main role of water in living organisms?

    <p>Acting as a solvent</p> Signup and view all the answers

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