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The ednsity (rho) of an ideal gas varies...

The ednsity `(rho)` of an ideal gas varies with temperature T as shown in figure. Then

A

the product of P and V at A is equal to the product of P and V at B

B

pressure at B is greater than the pressure at A

C

work done by the gas during process AB is negative

D

the change in internal energy from the A to B is zero

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A, B, C, D
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