Gujarat BoardEnglish MediumSTD 11 ScienceChemistryHydrogen1 Mark
MCQ
Hydrogen behaves as a metal:
✓
at low temperature
B
at low pressure
C
at high temperature
D
at high pressure
✓
Answer
Correct option: A.
at low temperature
at high pressure
Explanation:
Metallic hydrogen is a phase of hydrogen when it behaves as electrical conductor. At the high pressure of gigapascals hydrogen might exist as a liquid metal. Liquid metallic hydrogen is thought to be present in large amount in gravitationally compressed interiors of Jupiter and Saturn.
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