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
    Which of the following do not represent that a chemical change is taking place?
    I. A gas is produced.                
    II. Precipitate is formed.               
    III. State of a substance changes
    IV. A new odour is produced.
    V. Shape of a substance changes

    A)  I and V only    

    B)  I and IV only

    C)  II, III and V only

    D)  III and V only

    Correct Answer: D

    Solution :

    Change in state or shape of a substance is a physical change.                    


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