10th Class Science Sample Paper Science Olympiad Model Test Paper-13

  • question_answer
    Which of the following chemical reaction is balanced?

    A) \[2{{H}_{2}}+{{O}_{2}}\to 2{{H}_{2}}O\]

    B) \[2{{H}_{2}}+{{O}_{2}}\to {{H}_{2}}O\]

    C) \[2{{H}_{2}}+3{{O}_{2}}\to 2{{H}_{2}}O\]

    D)  \[2{{H}_{2}}+2{{O}_{2}}\to 2{{H}_{2}}O\]

    E) None of these

    Correct Answer: A


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