Name two substance that undergo sublimat
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Posted by Prakhar Srivastava 5 years, 6 months ago
- 2 answers
Gaurav Seth 5 years, 6 months ago
The Changing of a solid directly into vapours on heating,and of vapours into solid on cooling is called as sublimation.
The solid substance which undergoes sublimation is called sublime.
The solid obtained by cooling the vapours of the solid called a sublimate.
For Ex:camphor,Iodine,Ammonium Chloride,Naphthalene etc.
Effect of Change of Pressure
The physical state of matter can be changed by increasing or decreasing the pressure.When a high pressure is applied to a gas,it gets compressed and when we lower its temperature,it gets liquified.Gases can be liquified by compression and cooling.
For Ex:Solid carbon dioxide is stored under high pressure.This is because on decreasing the pressure on solid carbon dioxide,it gets converted directly into carbon dioxide gas
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Kajal Sharma 5 years, 6 months ago
0Thank You