ICSE Class 8CISCE
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Describe an Experiment to Show that Liquids Expand on Heating. - ICSE Class 8 - Physics

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Question

Describe an experiment to show that liquids expand on heating.

Solution

Experiment. Take round bottomed flask filled with water. Close its mouth with air-tight cork having delivery tube through it. Mark the level of water. Let it be at A. Now heat the flask. As water gets heated in flask, the level of water in the tube rises from A to B. This proves that liquids expand on heating.

OR Experiment :Take a laboratory Celsius thermometer Suspend it with the help of a stand. Note the level of mercury thread in it. Let it be at A. Now take hot water in a beaker and as shown, set up the arrangement. The mercury thread rises to B by gaining temperature.
This shows that liquids expand on heating.

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Solution Describe an Experiment to Show that Liquids Expand on Heating. Concept: Compare Expansivity in Solids, Liquids and Gases.
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