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Chemical formula of washing soda is

Chemical formula of washing soda is

Q. Chemical formula of washing soda is

  1. Na2C03 . 7H2O
  2. Na2C03 . 5H2O
  3. Na2C03 . 2H2O
  4. Na2C03 . 10H2O

Answer: Na2C03 . 10H2O

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