Mass Transfer
Which of the following binary systems is an example of a maximum boiling azeotrope?

Water-hydrochloric acid
Water-ethyl alcohol
Acetone-carbon disulphide
None of the listed here

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Mass Transfer
In a counter-current liquid extractor

Liquid's flow rate depends upon the temperature and pressure
Both liquids can have any desired flow rate
Only one of the liquids may be pumped at any desired rate
Both liquids flow at fixed rate

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