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प्रश्न
For the following statements, say whether it describes a solid, a liquid or a gas.
Particles are quite close together
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उत्तर
Particles are quite close together Solid
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संबंधित प्रश्न
Write your observation and conclusion for the following:
When few marbles are put in a glass half-filled with water.
Name the smallest particle from which matter is made up.
State the general properties of a solid.
Fill in the blank
_______ can flow.
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 |
Describe a simple experiment to illustrate that molecules are not at rest, but they constantly move.
What is mass?
What are fluids? Give two examples.
Identify the odd term out and explain.
Hydrogen, sodium, potassium, carbon
Write a scientific reason.
Hydrogen is combustible, oxygen helps combustion, but water helps to extinguish fire.
