2. Questions Bank
  3. 9th Class
  4. Science
  5. Matter in Our Surroundings

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

  • question_answer
    Non-reacting gases have the tendency to mix with each other. What is this phenomenon called?

    A)  Evaporation     

    B)  Diffusion  

    C)  Effusion           

    D)         Explosion

    Correct Answer: B

    Solution :

      Diffusion is responsible for non-reacting gases to mix with each other.


You need to login to perform this action.
You will be redirected in 3 sec spinner