Page 2 - 4-Home Assignment-Reversible and irreversible Changes
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Subjective Questions


          Q.                                      Questions                                      Marks  Skill
          No.
           1.   What do you mean by reversible change?                                             1        K
           2.   Give two examples of reversible change.                                            1        U
           3.   Give two examples of irreversible change.                                          1        U
           4.   What do you observe when fireworks explode? Is anything new formed?                3        C
                What type of change is it?
           5.               Change                  Physical / Chemical        Reversible /        3        A
                                                                               Irreversible
                 Breaking of glass plate
                 Frying potatoes into fries
                 Rotting of vegetables
                 Tearing a piece of
                 aluminium foil
                 Ironing of clothes
                 Curding of milk

           6.   Look around you in your house and write down three reversible and three            3        H
                irreversible changes.






















































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