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MCQs

Total Questions : 25 | Page 3 of 3 pages
Question 21. By what means can hydrogen be stored?
  1.    Physically and chemically
  2.    As atoms
  3.    As ions
  4.    As fuel cells
 Discuss Question
Answer: Option A. -> Physically and chemically
Answer: (a).Physically and chemically
Question 22. Cryogenic adsorption is a physical means to store hydrogen.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 23. How is hydrogen stored physically?
  1.    As atoms
  2.    By compressing hydrogen gas
  3.    In the form of hydrides
  4.    In the form of water
 Discuss Question
Answer: Option B. -> By compressing hydrogen gas
Answer: (b).By compressing hydrogen gas
Question 24. Hydrogen molecules are dissociated either _________ or _________ to form hydrides.
  1.    under sunlight or cold temperatures
  2.    by substitution or electrolysis
  3.    by electrolysis or heterolytically
  4.    homolytically or heterolytically
 Discuss Question
Answer: Option D. -> homolytically or heterolytically
Answer: (d).homolytically or heterolytically
Question 25. How is hydrogen stored chemically?
  1.    As ions
  2.    By compressing hydrogen gas
  3.    In the form of hydrides
  4.    In the form of ice
 Discuss Question
Answer: Option C. -> In the form of hydrides
Answer: (c).In the form of hydrides

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