Which one among the following statement is not correct about graphite

Options :
  1. it is the most stable allotrope of carbon
  2. it is an electrically conducting material
  3. crystalline spherical beads of graphite have very good lubricating property under dry conditions
  4. it is the higher grade of coal

Answer and Explanation :-

Answer: Option 4


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Also, it was a bit hopeless," he said. "A bit defeatist.""If by defeatist you mean honest, then I agree.""I don't think defeatism is honest, " Dad answered. "I refuse to accept that.
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