Q. Rain water helps to increase the _________ to some extent.

  • (A) Phosphorous contents
  • (B) Calcium contents
  • (C) Potash contents
  • (D) Nitrogen contents
✅ Correct Answer: (B) Calcium contents

Published by Ram Sharma ⭐ 193.88K Points at 17-Nov-2021 09:56 pm in Chemistry

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