Q. Which of the following elements is the first element to be formed in a laboratory?

  • (A) Helium
  • (B) Urea
  • (C) Phosphorus
  • (D) Calcium
✅ Correct Answer: (B) Urea

Published by Uday Singh ⭐ 8.97K Points at 22-Mar-2022 08:22 pm in Chemistry

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