9th Class Science Matter in Our Surroundings Question Bank Matter in Our Surroundings

  • question_answer
    Observe the given figure carefully.
     
    Which of the following statements is incorrect?
       

    A) Processes I, II and III are endothermic while processes IV, V and VI are exothermic.

    B) Water vapours formed during process II when come in contact with skin give out \[\text{22}\text{.5}\times \text{1}{{\text{0}}^{5}}\text{ J/kg}\] more heat than the boiling water.

    C) Latent heat for process I is \[\text{3}\text{.34 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{6}}}\text{ J/kg}\]

    D) None of these.

    Correct Answer: D


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