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प्रश्न
Name the three states of matter. Give one example of each.
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उत्तर
The three states of matter and their examples are as follows:
- Solid: wood
- Liquid: water
- Gas: air
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संबंधित प्रश्न
Write the full forms of the following
- LPG
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Give reason for the following observation :
The smell of hot sizzling food reaches us even from a considerable distance but to get the smell from cold food, we have to go close to it.
Explain why, diffusion occurs more quickly in a gas than in a liquid.
When a gas jar containing colourless air is kept upside down over a gas jar full of brown-coloured bromine vapour, then after some time, the brown colour of bromine vapour spreads into the upper gas jar making both the gas jars appear brown in colour. Which of the following conclusion obtained from these observations is incorrect?
Comment upon the following:-
rigidity
Explain why?
- A gas fills a vessel completely?
- Camphor disappears without leaving any residue.
Which of the following is TRUE about gaseous state?
Two gases A and B having molecular weights 60 and 45 respectively are enclosed in a vessel. The wt. of A is 0.50 g and that of B is 0.2 g. The total pressure of the mixture is 750 mm. The partial pressure of the gases B is ______ mm Hg.
