Q. As a vegetable preservative poly______ foam is used.

  • (A) Uthane
  • (B) Uriathenes
  • (C) Urathanes
  • (D) Urethanes
✅ Correct Answer: (D) Urethanes

Published by Praveen Singh ⭐ 36.81K Points at 13-Sep-2020 03:21 pm in Science

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