Heat Moderate Questions and Answers | Page - 6

Heat

Cooling is not done by

1. flow of water
1. release of compressed gas
1. burning cooking gas
1. melting the solid

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While compressed gas is released by absorbing surroundings heat or temperature lowers the temperature of surrounding. Hence, causes cooling.

Correct Option: C

While compressed gas is released by absorbing surroundings heat or temperature lowers the temperature of surrounding. Hence, causes cooling.