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Class 11Chemistrys-Block ElementsAlkaline earth metals
Medium

$MgO$ is used as a refractory material because

  • A
    It has a high melting point
  • B
    It is a good conductor of heat
  • C
    It is a good electrical insulator
  • D
    All of these
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Class 11 Questions

Class 11

Chemistry Questions

Chapter

s-Block Elements

Subtopic

Alkaline earth metals

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