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The graphs in Fig shown the variation of...

The graphs in Fig shown the variation of the product PV with respect to the pressure (P) of given masses of three gases, A, B and C. The temperature is kept constant. State with proper arguments which of these gases is ideal.

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Gas C is ideal, because PV is constant for this gas. It means the gas C obeys Boyle's law at all pressure.
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PRADEEP-BEHAVIOUR OF PERFECT GAS & KINETIC THEORY-Conceptual Problems
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