10th Class Science Chemical Reactions and Equations Question Bank Chemical Reactions and Equation

  • question_answer
    Which of the given reactions is a compound - compound combination reaction?

    A) Reaction of water with calcium oxide.

    B) Reaction of iodine with white phosphorus.

    C) Reaction of iron with sulphur.

    D) Electrolysis of water.

    Correct Answer: A

    Solution :

    \[\underset{\text{compound }+\text{ compound}}{\mathop{{{H}_{2}}O+CaO}}\,\xrightarrow[{}]{{}}\underset{\text{compound}}{\mathop{Ca{{(OH)}_{2}}}}\,\] Hence, it is a compound - compound combination reaction.


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