Advertisements
Advertisements
प्रश्न
Define the Intermodular force of attraction.
Advertisements
उत्तर
The molecules of matter are always in motion and attract each other with a force called the intermodular force of attraction due to which they are held together.
APPEARS IN
संबंधित प्रश्न
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 |
State the approximate spacing between two molecules of a matter.
If an object is taken to the moon from the earth what will be its mass?
Define Intermolecular force
Write your observation and conclusion for the following:
When one of the balloons suspended to the metre scale is punctured while other remains inflated?
Write true or false for the statement. Rewrite the false statement correctly.
The smallest part of an element capable of independent existence is called an atom.
State the correct term from A, B, C, D, E or F in List II which represents the – change of state of matter or its relevant property from List I
| List I | List II |
| 1. Solid 'X' to a liquid 'Y' | A: Liquefaction |
| 2. Liquid 'Y' to its vapour 'Z' | B: Vaporization |
| 3. 'Z' to 'Y' | C: Melting |
| 4. 'Y' to 'X' | D: Solidification |
| 5. The temperature at which 'Y' changes to 'Z' | E: Melting Point |
| F: Boiling point |
Match the arrangement of atoms in the three states of matter in List I with the correct state in List II.
| List I | List II |
| 1. Arrangement of atoms, very closely packed | A: Solids |
| 2. Interparticle space is maximum | B: Liquids |
| 3. Force of attraction between particles is very weak | C: Gases |
| 4. Movement of particles is about their own position | |
| 5. Particles in the state of matter are slightly compressible and not closely packed. |
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
Write scientific reasons.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
