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Class 12Chemistryp-Block Elements (Class 12)Noble gases
Easy

Helium is used in balloons in place of hydrogen because it is

KCET 2008All KCET
  • A
    incombustible
  • B
    lighter than hydrogen
  • C
    radioactive
  • D
    more abundant than hydrogen
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

p-Block Elements (Class 12)

Subtopic

Noble gases

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