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Question

What are the states of matter?


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Solution

Matter:

  • Anything that has mass and takes up space is known as matter.
  • A matter is categorized into three forms. They are solids, liquid and gas.

1. Solid:

  • The particles in a solid are tightly packed due to the strong intermolecular attractions.
  • Solid has a definite shape, mass, and volume.
  • Examples of solid are rock, wood, and book.

2. Liquid:

  • The particles in a liquid have weaker forces of attraction than solid.
  • Liquid has a definite volume but not a fixed shape, they usually take the shape of the container.
  • Examples of liquid are water and alcohol.

3. Gas:

  • The intermolecular forces in gases are negligible.
  • Gas has no definite volume or shape.
  • Examples of gas are oxygen gas and carbon dioxide.


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