Railways General Science & Technology General Concepts of Chemistry Sample Paper General Concepts of Chemistry Sample Test Paper-22

  • question_answer
    Which of the following reaction is not balanced?

    A)  \[3Fe+4{{H}_{2}}O\to F{{e}_{3}}{{O}_{4}}+4{{H}_{2}}\]

    B)  \[KCI{{O}_{3}}\to KCI+{{O}_{2}}\]

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

    D)  \[Mg+2HCI\to MgC{{I}_{2}}+{{H}_{2}}\]

    Correct Answer: B


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