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प्रश्न
Describe a simple experiment to illustrate the existence of inter-molecular spacing.
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उत्तर
Take 100 ml of water in a measuring cylinder. Add 20 grams of salt in the water gently and stir it well so as to dissolve the salt well in water. It is noticed that the level of water does not change. It shows that the particles of salt occupy spaces between the particles of water.
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संबंधित प्रश्न
State three main characteristics of the particles of matter.
Define: Gas.
Classify the following into solid, liquid and gas:
Coal, kerosene, wood, oxygen, sugar, blood, water vapour, milk, wax.
For the following statements, say whether it describes a solid, a liquid or a gas.
Particles are quite close together
Which of the following is a property of the liquids?
What is a molecule?
Define Matter.
Write your observation and conclusion for the following:
When a small stone is gently dipped into a glass filled with water.
Solids retain their volume even when external pressure is applied. This property is called ______.
Give a reason for the following:
Globules of mercury kept in a petri dish, which is shaken slowly, come together forming a big globule.
