What happens when a physical change takes place in a substance?
A new product is formed.
Mass of the substance changes.
Properties like state, colour may change.
Chemical composition of a substance changes.
In a physical change, properties of substance like state, colour may change. No new product is formed.
In a physical change, which of the following takes place? (i) No new substance is formed. (ii) The change is reversible (iii) The change is temporary
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.
What is the correct sequence of change in physical state when energy is supplied to a substance?