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Questions and Answers
Why is liquid helium used as a cryogenic agent for conducting experiments at low temperatures?
Why is liquid helium used as a cryogenic agent for conducting experiments at low temperatures?
- To maintain high pressures
- To reach extremely low temperatures (correct)
- To create a vacuum
- To produce heat
What is the major use of helium in gas-cooled nuclear reactors?
What is the major use of helium in gas-cooled nuclear reactors?
- To produce superconducting magnets
- As a cryogenic agent
- As a fuel source
- To provide an inert atmosphere (correct)
Why is neon used in discharge tubes and fluorescent bulbs for advertisement display purposes?
Why is neon used in discharge tubes and fluorescent bulbs for advertisement display purposes?
- For its inert properties
- To create bright colors (correct)
- To generate heat
- For colorless lighting
In what way does the low solubility of helium in blood contribute to its use in modern diving apparatus?
In what way does the low solubility of helium in blood contribute to its use in modern diving apparatus?
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What is the primary reason for using argon in high-temperature metallurgical processes like arc welding?
What is the primary reason for using argon in high-temperature metallurgical processes like arc welding?
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What distinguishes the uses of Xenon and Krypton from other noble gases mentioned?
What distinguishes the uses of Xenon and Krypton from other noble gases mentioned?
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