Q. The method that cannot be used for removing permanent hardness of water is

  • (A) adding sodium carbonate
  • (B) distillation
  • (C) adding caustic soda
  • (D) boiling
✅ Correct Answer: (D) boiling

Published by Durgesh ⭐ 8.64K Points at 26-Sep-2021 09:27 pm in Chemistry

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