Mass Transfer
With increase in temperature, the leaching rate increases due to

Neither A nor B
Increased diffusivity
Decreased liquid viscosity
Both A & B

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Mass Transfer
If a two phase system is in physical equilibrium; then it means that, the

Temperature of the liquid phase is equal to that of the vapor phase
All of these
Total pressure throughout the liquid phase is equal to that throughout the vapor phase
Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase

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