7. Give one word:
5. Name the change in which there is change in state, size and shape of substance.
Hence, the change in which there is a change in the state, size, and shape of the substance is called a physical change.
Give the usual name for the following:
Heat required to change the state of a substance without changing the temperature.
In a physical change, which of the following takes place? (i) No new substance is formed. (ii) The change is permanent. (iii) The change is temporary. (iv) Change in size, shape or appearance.