Chemistry: Noble Gases Quiz
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Questions and Answers

Why is helium used in breathing gases for SCUBA diving?

  • Due to its high reactivity
  • It can be easily absorbed in lipids (correct)
  • Because it is flammable
  • To increase nitrogen narcosis
  • What is a key reason for using helium instead of hydrogen in balloons?

  • Lack of availability
  • Reactivity
  • Cost-effectiveness
  • Flammability (correct)
  • Why is neon used in lighting applications?

  • Nonflammable nature (correct)
  • Low availability
  • Low melting point
  • High reactivity
  • What is the primary purpose of using argon with nitrogen in incandescent light bulbs?

    <p>Trapping unstable compounds</p> Signup and view all the answers

    Why is krypton considered more efficient for light bulbs compared to other noble gases?

    <p>Long sustainment period</p> Signup and view all the answers

    In what industry is xenon commonly used for lamps?

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

    What is the primary application of radon in the medical industry?

    <p>Radiotherapy for cancer treatment</p> Signup and view all the answers

    'Oganesson' is different from other noble gases because it:

    <p>Has many known applications</p> Signup and view all the answers

    What is a key characteristic of helium that makes it suitable for use in SCUBA diving?

    <p>Solubility in lipids</p> Signup and view all the answers

    Why is helium preferred over hydrogen for use as a lifter in balloons?

    <p>Low reactivity</p> Signup and view all the answers

    Which noble gas is known for its efficiency in light bulbs due to its ability to be sustained for long periods?

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

    In which industry is radon commonly used for radiotherapy?

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

    Which property of neon makes it a suitable choice for use in neon lights?

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

    Why is argon commonly mixed with nitrogen in incandescent light bulbs?

    <p>To trap unstable compounds</p> Signup and view all the answers

    What makes xenon a preferred choice for lamps in film projectors and automobile headlamps?

    <p>Natural light color</p> Signup and view all the answers

    Which noble gas is man-made and currently lacks known applications?

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

    Why is liquid neon useful in cryogenics?

    <p>Low melting point</p> Signup and view all the answers

    Which noble gas is used in the breathing gases for SCUBA diving to reduce nitrogen narcosis?

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

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