10th Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-2

  • question_answer
    Which among the following is the chemical formula of baking powder?

    A)  \[NaHC{{O}_{2}}\]                 

    B) \[NaC{{O}_{3}}\]

    C) \[NaHC{{O}_{4}}\]                  

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

    E)  None of there

    Correct Answer: D


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