MCQ
Washing soda is:
  • $ Na_{2}CO_{3} \cdot 10H_{2}O $
  • B
    $ Na_{2}CO_{3} \cdot 5H_{2}O $
  • C
    $ Na_{2}CO_{3} $
  • D
    NaOH

Answer

Correct option: A.
$ Na_{2}CO_{3} \cdot 10H_{2}O $
A

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