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Matter — PHYSICS STD 6 — Question

ICSE BoardEnglish MediumSTD 6PHYSICSMatter5 Marks
Question
Write down five general properties of solids, liquids, and gases.
✓

Answer

Solids:
  1. The molecules here are very tightly packed having negligible or very less intermolecular space.
  2. They have the strongest intermolecular force of attraction.
  3. The molecules have very small vibration about their mean position i.e. small amplitude.
  4. They have a definite shape and volume.
  5. They are generally hard and rigid.
  6. They are good conductors of heat.
Liquids:
  1. Molecules are less tightly packed.
  2. The intermolecular force of attraction is less than that of solids.
  3. The molecules here can move from one place to another
  4. Do not have any particular shape of their own and thus acquire the shape of the vessel.
  5. A particular quantity of a liquid has a definite volume at a given temperature.
Gases :
  1. The force of attraction between the molecules is the least.
  2. The intermolecular space is the largest.
  3. Neither has a definite shape nor a definite volume.
  4. The molecules move independently.
  5. Worst conductors of heat.

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