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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
Water at 100°C has more heat than the steam at 100°C.
Boiling takes place at all temperatures.
Evaporation takes place over the entire mass of the liquid.
Define interconversion of states of matter.
Give reason :
Liquids have a definite volume but no definite shape.
Fill in the blank
......... can flow.
Name the phenomenon which cause the following change.
Formation of water vapour from water.
State what would you observe if
(a) sugar is added to pebbles take in a plastic beaker
(b) sand is added to glass balls in a beaker. What would you conclude from this imaginative demonstration?
Complete the statement given below by selecting the correct word.
The conversation of vapour into a liquid is called ____.
Complete the statement given below by selecting the correct word.
____ is an example of a crystalline substance.
