Mass Transfer
Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time)

(De/t)1/2
(De.t)1/2
(4De/t)
(4De/πt)1/2

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Mass Transfer
For a ternery mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates.

Binary mixture is represented by any point inside
Ternery mixture is represented by the sides
Binary mixture is represented by the apex
Pure component is represented by the apex

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Mass Transfer
In steam distillation, the

Product must be immiscible with water
Temperature is higher than the boiling point of either component
Temperature is 100°C
Temperature is more than 100° C

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