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1. |
_ The critical pressure at which latent heat of vaporisation is zero is$? |
A. | 225.65 kgf/ cm² |
B. | 273 kgf/ cm² |
C. | 100 kgf/ cm² |
D. | 1 kgf/ cm² |
Answer» B. 273 kgf/ cm¬¨‚â§ | |