Question

(a) When an incense stick (agarbatti ) is lighted in one corner of a room, its fragracne quickly spreads in the entire room. Name the process involved in this.

(b) A girl is cooking some food in the kitchen, The smell of food being cooked soon reaches her brother's room, Explain how the smell could have reached her brother's room.

Answer 1

(a) Diffusion.


(b) The smell of food being cooked reaches the other room by the diffusion; molecules move from higher concentration to lower concentration, of gases released into the air during the cooking of food.