Mass Transfer
The caking of crystals can be prevented by

Coating the product with inert material
Both A and C
Maintaining low critical humidity
Maintaining high critical humidity

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Mass Transfer
Steam distillation is used to

Avoid thermal decomposition of a component
Reduce the number of plates
Increase the total pressure of distillation
Increase the efficiency of separation

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Mass Transfer
In steam distillation, the

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

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