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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
Define: Gas.
Name the terms for the process due to which a solid directly changes into its vapours.
State whether the following statement is True or False:
Only water can exist in three different states
Name the phenomenon which causes the Formation of water vapour from water is
Match the following columns
| Column A | Column B | ||
| A. | A molecule is composed of | i. | does not exist free in nature. |
| B. | Ice, water and water vapour | ii. | can vibrate only up to about `10^-10`m from their mean position. |
| C. | An atom | iii. | atoms. |
| D. | Gases | iv. | are the three states of water. |
| E. | The molecules of a solid | v. | occupy space |
Define Matter.
Define the Atom.
Write a scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
Describe simple experiment to show that particles of matter have the intermolecular attraction
Write scientific reasons.
Lemon sherbat has a sweet, sour and salty taste, and it can be poured into a glass.
