Question

Account for following:
(A) When an light an incense stick in a corner of our room,why does its fragrance spread in the whole room very quickly.
(B) How does pressure help in liquefaction of gas?
(C) Liquid A has higher vapour pressure than liquid B. Which liquid out of A & B will lower boiling point.

Answer 1

A. bcoz of diffusion it spreads whole room
B. if pressure is increased,then the particles if it are compressed and become as liquid
c. A

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Answer 2

A. due to the diffusion of its smoke into the air.