Pawan Prajapati
Last Activity: 4 Years ago
(i) Drying of shirt in the Sun is a physical change. As, in this change no new substance is formed.
(ii) Since, in rising of hot air over a radiator no new substance is formed, hence it is a physical change.
(iii) While burning of kerosene in a lantern, carbon dioxide and water vapour is formed, hence it is a chemical change.
(iv) In this change a new substance is formed, hence it is a chemical change.
(v) While churning of milk cream to get butter, no new substance is formed, hence it is a physical change.