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प्रश्न
What are molecules?
उत्तर
Molecules are made of atoms. Molecules exhibit the properties of that kind of matter and have independent existence.
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संबंधित प्रश्न
For the following statements, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly.
Name the phenomenon which causes the Disappearance of camphor is
Name the phenomenon which causes the Conversion of water into steam is
Write true or false for the following statement
The inter-molecular forces are effective at all distances between the two molecules.
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 Intermolecular force
Write whether the following statement is true or false.
Solids have the largest inter-molecular space.
Write true or false for the statement. Rewrite the false statements correctly.
Matter cannot exist in different states.
Fill in the blank:
Matter made up of one kind of particle is said to be _________.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
