Chemistry
Grade-10
Easy

Question

Chemical formula of washing soda is

  1. Na2CO3 . 7H2O
  2. Na2CO3 . 5H2O
  3. Na2CO3 . 2H2O
  4. Na2CO3 . 10H2O

hintHint:

Inorganic hydrate of sodium carbonate.

The correct answer is: Na2CO3 . 10H2O


    Washing soda is a chemical compound with the formula Na2CO3.10H2O. It is an inorganic hydrate of sodium carbonate.
    Na2CO3 + 10H2rightwards arrow Na2CO3.10H2O

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