Exercises
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Simple step-by-step solutions to Exercises questions of Matter from Living Science Physics 8. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercises with Hints & Solutions
An atom is defined as the smallest unit of matter that has independent existence and carries the physical and chemical properties of the matter.
The intermolecular force of attraction increases when intermolecular space increases.
If the molecules in a substance have very large kinetic energies, which can completely overcome the intermolecular force of attraction between them, then the substance is a liquid.
When a gas is cooled, its molecules lose energy and slow down.
The force of attraction between the molecules of water and that of glass is the force of cohesion.
The process of change of state from the gaseous state directly to solid state is called sublimation.
On the basis of the kinetic theory of matter, explain why liquids have a fixed volume but not a fixed shape.
On the basis of the kinetic theory of matter, explain why gases have neither a fixed volume nor a fixed shape.
