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Is particles of matter have space between them? Class IX- Chap-1

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20/04/2018 0 0

Activity: When we dissolve salt/sugar in water, the particles of salt/sugar get into the spaces between particles of water.

Equipment’s Required: - Beaker, Water, Salt/ Sugar, and a glass rod.

Working:

  • Take a 100 mL beaker.
  • Fill half the beaker with water and mark the level of water.
  • Dissolve some salt/ sugar with the help of a glass rod.
  • Notice the water level.

Observations:

  • When sugar/salt is dissolved in water, the particles of sugar disappear in water. This happens because particles of sugar/salt get adjusted in the spaces between the particles of water.
  • Additionally, you will notice that there is no rise of water level takes place when one or two teaspoons of sugar is added in a glass of water, this is because sugar particles get adjusted in the space between the particles of water and no rise in the water level comes in result.
  • This activity shows us that Matters are made of small particles. And there is space between these particles.
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