Question

Some changes are listed in the following table. For each change, write in the blank column, whether the change can be reversed or not.

Answer 1

1. Sawing of a piece of wood No 2. Melting of ice candy        Yes 3. Dissolving sugar in water Yes 4. Cooking food                         No 5. Ripening of a mango          No 6. Souring of milk                  No