Question

give reason for the following observation.(a) wecan get the smell of perfume sitting meters away .(b) wooden table is considered as a solid .( c) gases completely fill the vessel in which they are kept

Answer 1

a) We can get the smell of perfume sitting meters away due to diffusion of perfume molecules in the surrounding.
b) Wooden table is considered as solid because at room temperature it is rigid and incompressible, which is a characteristic property of solids.
c) Gases completely fill the vessel in which they are kept due to low intermolecular forces of attraction between their particles.

Answer 2

1. this is due to diffusion

2.becoz it has fixed shape and size

3.Gaeses have less intermolecular farce due to which the particles can move freely in all directions. hence the gases feel completely the vessel in which they are kept in.