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Which of the following is associated with diamond ?

  • A.Hardness
  • B.Brilliance
  • C.Use
  • D.Conductivity

Answer: A

Correct answer: Hardness

The question asks what is always present, not what usually is. Diamond is the hardest natural substance, and that property belongs to every diamond. Brilliance depends on the cut, its uses vary, and diamond is a poor conductor of electricity.

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