Give reasons :
(a) Solids, liquids and gases differ in shape and volume.
(b) Gases have neither a fixed shape nor a fixed volume.
Give reasons :
(a) Solids, liquids and gases differ in shape and volume.
(b) Gases have neither a fixed shape nor a fixed volume.
Step-1: Solids : Solids have definite shape, distinct boundaries and fixed volume.
Examples: Wood, sugar, rocks, minerals, sand, iron.
Liquids : Liquids have fixed volume but no fixed shape.
Examples: Water, milk, petrol, alcohol.
Gases : Gases neither have fixed shape nor volume.
Examples: Air, oxygen, carbon dioxide, steam.
Step-2: Solids, liquids and gases differ in shape and volume.
The intermolecular forces of attraction is very high in solids.It is higher than gas but less than solids, in liquids and weak in gases.
Step-3: Gases have neither a fixed shape nor a fixed volume.
1. Gases take the shape of the container in which they are present. This is because the positions of the particles in the gas are not fixed.
2. Gases have no fixed volume or boundaries. This is because the spaces between the particles in the gas are not fixed and so the particles are free to move.
Step-1: Solids : Solids have definite shape, distinct boundaries and fixed volume.
Examples: Wood, sugar, rocks, minerals, sand, iron.
Liquids : Liquids have fixed volume but no fixed shape.
Examples: Water, milk, petrol, alcohol.
Gases : Gases neither have fixed shape nor volume.
Examples: Air, oxygen, carbon dioxide, steam.
Step-2: Solids, liquids and gases differ in shape and volume.
The intermolecular forces of attraction is very high in solids.It is higher than gas but less than solids, in liquids and weak in gases.
Step-3: Gases have neither a fixed shape nor a fixed volume.
1. Gases take the shape of the container in which they are present. This is because the positions of the particles in the gas are not fixed.
2. Gases have no fixed volume or boundaries. This is because the spaces between the particles in the gas are not fixed and so the particles are free to move.
