If the volume of a fixed mass of a gas is kept constant, the pressure of the gas
A. is inversely proportional to its centigrade temperature
B. is inversely proportional to its absolute temperature
C. is directly proportional to its centigrade temperature
D. is directly proportional to its absolute temperature
E. remains constant also
Correct Answer: Option D
As explained by the Gay-lussac’s law/pressure law, the pressure of a fixed mass of gas at constant volume is proportional to the absolute temperature of gas, i.e P1/T1 = P2/T2.
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