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प्रश्न
Comment upon the following:-
shape
उत्तर
The shape defines a definite boundary.
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संबंधित प्रश्न
Give reasons:
A gas fills completely the vessel in which it is kept.
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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?
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- Name the brown gas which could be in jar A.
- Which is the colourless gas most likely to be present in jar B?
- Name one coloured solid and one colourless liquid which can show the same phenomenon.
How does the substance of gaseous particles change to a liquid state?
Comment upon the following:-
density
