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प्रश्न
Give one difference between atoms and molecules.
उत्तर
Atoms may or may not have independent existance. While molecules have independent existence.
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संबंधित प्रश्न
Write whether the following statement is true or false:
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely
Fill the following chart showing twelve solids, twelve liquids, four gases and eight materials.
To identify materials of common use
Procedure – Just move around in your house – in the drawing room, sitting room, bedroom, kitchen, bathroom etc. Identify the things and All in the blanks in the table given below
| No. | Place | Name of the thing | Material used for making the thing |
| 1 | Study room | ||
| 2 | Drawing room | ||
| 3 | Kitchen | ||
| 4 | bathroom | ||
| 5 | Any other place |
State the main physical properties of matter.
Explain the term ‘Interconversion of matter’. With reference to ice, water, and water vapour show diagrammatically the change of state of matter from solid to liquid to gaseous and back to the original state.
See the given pictures and write down the state of each object. (Solid, Liquid, Gas)
 |
 |
 |
 |
 |
| _____ | ______ | ______ | ______ | ______ |
 |
 |
 |
 |
 |
| ______ | _______ | ______ | ______ | ______ |
Which of the following are the states of matter?
Distinguish the properties of solid, liquid, and gas. Draw a suitable diagram.
Gases have neither a definite shape nor a definite volume.
What is the physical state of water at 250°C.
