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प्रश्न
Name the phenomenon which cause the following change.
Disappearance of camphor.
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उत्तर
Disappearance of camphor is sublimation.
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संबंधित प्रश्न
Discuss the three states of matter solid, liquids and gas on the basis of molecular model.
Write true or false For the following Statement
The molecules in a substance arc in random motion.
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The molecular motion in liquid and gas is in ................. path.
Distinguish between solids, liquids, and gases on the basis of their following properties :
(a) compressibility
(b) fluidity
(c) rigidity
(d) expansion on heating
Classify the following into solids, liquids, and gases. Oxygen, milk, common salt, wax, stone, water vapour, carbon-dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
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When a gas is cooled, its molecules .............. energy.
Name the phenomenon which cause the following change.
Formation of water vapour from water.
Differentiate between living and non-living matter.
Name the three states of matter and define them.
State the property of the following substance.
Hydrogen sulphide gas has a strong rotten egg odour.
