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Q. Among the following substances, the allotropes of carbon are 1.Graphene 2.Fullerene 3.Carborundum 4.Diamond 5. Carbyne Select the correct answer by using the code below,
  • A. 1, 2 and 3 only
  • B. 1, 2, 4 and 5 only
  • C. 1, 3 and 4 only
  • D. 1, 2, 3 and 4