Chemistry
Which of the following partial miscible liquid pairs has both lower and upper critical solution temperature

Aniline and n-hexane
Glycerine and m-toluene
Water and Phenol
Water and diethyl aniline

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Chemistry
The BOD values of water indicate the

Amount of ozone used for biochemical oxidation
Amount of oxygen used for biochemical reduction
Amount of organic debris
Amount of oxygen used for biochemical oxidation

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