Mass Transfer
When a multistage tray tower uses a minimum reflux ratio, it implies

Minimum trays and minimum reboiler heat load
Infinite trays and minimum reboiler heat load
Infinite trays and maximum reboiler heat load
Minimum trays and maximum reboiler heat load

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

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