MCQ
Substance used to make hard water soft is ………………………… .
  • Na2CO3.10H2O
  • B
    Na2CO3.H2O
  • C
    NaCO3.10H2O
  • D
    NaCO3.H2O

Answer

Correct option: A.
Na2CO3.10H2O
Na2CO3.10H2O

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