7th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank Acids, Bases and Salts

  • question_answer
    Identify the formula of washing soda from the following,                       

    A)  \[NaCl\]                                             

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

    C)         \[NaHC{{O}_{3}}\]         

    D)         \[NaOH\]                           

    Correct Answer: B

    Solution :

    \[\text{N}{{\text{a}}_{\text{2}}}\text{C}{{\text{O}}_{\text{3}}}\] is the formula of washing soda.


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