11th Class Chemistry The s-Block Elements

  • question_answer 54)   The formula of soda ash is: (a) \[N{{a}_{2}}C{{O}_{3}}.10{{H}_{2}}O\]             (b) \[N{{a}_{2}}C{{O}_{3}}\cdot 2{{H}_{2}}O\]                (c)\[N{{a}_{2}}C{{O}_{3}}\cdot {{H}_{2}}O\]        (d) \[N{{a}_{2}}C{{O}_{3}}\]

    Answer:

      (d) \[N{{a}_{2}}C{{O}_{3}}\]is the formula of soda ash.

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