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प्रश्न
Describe simple experiments to prove that gases occupy space.
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उत्तर
occupy space
Experiment:
‘A’ – A glass beaker or bowl is half-filled with water.
‘B’ – An empty glass tumbler [which of course contains air] is inverted a lowered inside it.
‘C’ – On tilting the tumbler, the air is displaced and bubbles are seen coming out.
Conclusion: Air or gases occupy space.
संबंधित प्रश्न
Explain why, the diffusion of a solid in another solid is a very slow process.
Give two reasons to justify that An iron almirah is a solid.
What are molecules?
What are fluids? Give two examples
Give reasons
Liquids and gases flow but solids do not?
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 property of the following substance.
Manganese dioxide, a catalyst which alters the rate of a chemical reaction is black in colour.
Intermolecular forces of attractions are maximum in ______.
______ has definite shape and volume.
Which of the following are homogeneous in nature?
- ice
- wood
- soil
- Air
