Q. Diamond is lustrous because

  • (A) It is colourless
  • (B) It is hard
  • (C) It is pure
  • (D) Its refractive index is high
✅ Correct Answer: (D) Its refractive index is high

Published by Chandan Das ⭐ 6.78K Points at 30-Oct-2021 04:12 pm in Chemistry

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