NEET Chemistry States of Matter – Solids, Liquids, Gases & Properties

States of Matter is an important chapter in Physical Chemistry that explains the different physical forms in which matter exists. The three common states of matter are solids, liquids, and gases, each having unique properties and particle arrangements.

This chapter is a fundamental topic in NEET Chemistry.

States of Matter

Solids

Solids have a definite shape and volume. Their particles are closely packed and held together by strong intermolecular forces.

Liquids

Liquids have a definite volume but no fixed shape. They flow easily and take the shape of their container.

Gases

Gases have neither a definite shape nor a definite volume. Their particles move freely and occupy the entire available space.

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Important Concepts

Intermolecular Forces

The strength of attraction between particles determines the physical state and properties of matter.

Physical Properties

Different states of matter show variations in density, compressibility, and particle motion.

Change of State

Matter can change from one state to another through heating or cooling processes.

Applications

Industrial gas storage.
Chemical manufacturing.
Environmental studies.
Material science.
Engineering applications.

Importance for NEET

States of Matter is a high-weightage chapter in NEET Chemistry. Questions are frequently asked on properties of solids, liquids, gases, intermolecular forces, and changes of state.

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MTG NTA NEET Home Test Series For 2026 Exam