RAJASTHAN PMT Rajasthan - PMT Solved Paper-2009

  • question_answer
    Formula of washing soda is

    A) \[N{{a}_{2}}C{{O}_{3}}\cdot 10{{H}_{2}}O\]

    B)        \[N{{a}_{2}}C{{O}_{3}}\]

    C)        \[N{{a}_{2}}S{{O}_{4}}\cdot 10{{H}_{2}}O\]

    D)         None of the above

    Correct Answer: A

    Solution :

    Formula of washing soda is\[N{{a}_{2}}C{{O}_{3}}\cdot 10{{H}_{2}}O\]


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