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Describe an Experiment to Demonstrate the Process of Sublimation. - ICSE Class 8 - Physics

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Question

Describe an experiment to demonstrate the process of sublimation.

Solution

Experiment: Take some Ammonium chloride powder in a china dish. Cover the china dish with inverted funnel and put a cotton plug in end of funnel so that vapours do not escape. Set up the apparatus as shown. Heat the dish with burner. Solid ammonium chloride changes into vapours. Which when come in contact of walls of funnel get cooled and change to solid and get deposited there.

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Solution Describe an Experiment to Demonstrate the Process of Sublimation. Concept: Change of State in Matter Using the Kinetic Theory: Sublimation.
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