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Name two substances which contract on heating. - Physics

One Line Answer
Name two substances which expand on heating.
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Solution

Two substances that contract on heating are plastic and poly-ethene.
Concept: Expansion of Substances (Thermal Expansion) - Expansion of Solids
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APPEARS IN

Frank Class 9 Physics ICSE
Chapter 5 Heat
Thermal Expansion | Q 22 | Page 203
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