2. Questions Bank
  3. 7th Class
  4. Science
  5. Physical and Chemical Changes

7th Class Science Physical and Chemical Changes Question Bank Physical and Chemical Changes

  • question_answer
    In the Process of convection:

    A) Transfer of molecules do not occur.

    B) Transfer of molecules occur.

    C) No medium is required.

    D) Transfer of free electrons occur.

    E) None of these

    Correct Answer: B

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