Question

8.Give reason .If a gas and liquid undergo the same amount of heating ,the gas will expand ten times than the liquid​

Answer 1

Answer:

The change in temperature of a body causes expansion or contraction of that body. Most of the substances expand on heating and contract on cooling. This is called thermal expansion. It has been observed that bottles which are tightly sealed with a metallic lid are easily opened when the bottle is kept upside down in a hot water for some time in such a way that just the lid is immersed in water. In this way metallic lid expands and opens easily. Also the level of mercury rises in thermometer when it is put in warm water and when the thermometer is taken out the mercury level drops.

Explanation:

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