2. Questions Bank
  3. 3rd Class
  4. Science
  5. Matter and Materials

3rd Class Science Matter and Materials Question Bank Matter and Materials

  • question_answer
    P changes into Q on heating. On further heating Q changes into R. Select the option that correctly compares the properties of P, Q and R.           

    A)
    P Q R
     Has fixed shape Has fixed shape Has no fixed shape            
                   

    B)       
    P Q R
     Has fixed volume Has fixed volume     Has no fixed volume
                   

    C)       
    P Q R
     Has fixed mass Has no fixed mass    Has no fixed mass
                   

    D)       
    P Q R
     Has fixed colour         Has no fixed colour   Has fixed colour

    Correct Answer: B

    Solution :

    P changes to Q and then to R on heating. Thus, P can be solid, Q can be liquid and R can be gas. Solids and liquids have fixed volumes while gases have no fixed volume.                


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