Q. Which of the following one of the following substances is used for preservation of food grains -

  • (A) Sodium benzoate
  • (B) Vinegar
  • (C) Sodium chloride
  • (D) Potassium permanganate
✅ Correct Answer: (A) Sodium benzoate

Published by Ram Sharma ⭐ 193.88K Points at 10-Apr-2022 05:19 pm in Biology

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