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Certain volume of a gas exerts on its walls some pressure at a particular temperature . It has been found that by reducing the volume of the gas to half of its original value the pressure become twice that of the initial value at constant temperature . this happens becauseA. mass of the gas increases with pressureB. speed of the gas molecules decreasesC. more number of gas molecules strike the surface per secondD. gas molecules attract each other . |
Answer» Correct Answer - C | |