Question

Name two material which expand of heating .​

Answer 1

Answer:

:— Metal

:— Netural Object

Explanation:

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Answer 2

Any metal, water. oil, any gas(hydrogen, air, CO2) are examples of substances expand on heating. Many substances expand on heating, Air & water for example since their density decreases and volume increases, hence the expansion.

By contrast, iron, with a coefficient of 1.2, is 24 times more likely to expand or contract as a result of changes in temperature. (Steel has the same value as iron.) The coefficient for aluminum is 2.4, twice that of iron or steel.

Explanation:

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