Choose the correct option:
Select the statements that explain a physical change.
(i) The state of the substance may change or remain the same.
(ii) A substance with diff erent properties is formed.
(iii) No new substance is formed.
(iv) The substance undergoes a chemical reaction.
(i) The state of the substance may change or remain the same.
(ii) A substance with diff erent properties is formed.
(iii) No new substance is formed.
(iv) The substance undergoes a chemical reaction.