10th Class Science Chemical Reactions and Equations Question Bank Self Test-5

  • question_answer
    Which among the following reactions is in accordance to the law of conservation of mass?

    A)  \[CaO+{{N}_{2}}O\to 2Ca{{(OH)}_{2}}\]

    B)  \[2NH{{O}_{3}}+Ca{{(OH)}_{2}}\to Ca{{(N{{O}_{3}})}_{2}}+{{N}_{2}}O\]

    C)  \[3BaC{{l}_{2}}+A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\to 2AlC{{l}_{3}}+3BaS{{O}_{4}}\]

    D)  \[2{{N}_{2}}+3{{H}_{2}}\to 2N{{H}_{3}}\]

    E)  None of these

    Correct Answer: C

    Solution :


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