2. Questions Bank
  3. 9th Class
  4. Science
  5. Structure of the Atom

9th Class Science Structure of the Atom Question Bank Nature of Matter

  • question_answer
    If a gas is expanded at constant temperature

    A)  the pressure increases               

    B)  the kinetic energy of the molecules remains the same                              

    C)  the kinetic energy of the molecules  decrease

    D)  the number of molecules of the gas increases

    Correct Answer: B

    Solution :

    Not Available


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