QUESTION ONE

$($a$)$ Define the following terms

Gas Absorption

Stripping

Channeling

Gas solubility

$(8$mks$)$

$($b$)($i$)$ Write briefly on packed Tower Absorption column.

$(2$mks$)$

$($ii$)$ State four $(4)$ factors that affect the selection of solvent in Gas Absorption.

$(2$mks$)$

QUESTION TWO

$($a$)$ Construct an equilateral triangular diagram showing a ternary system of A$,$ B$,$ and C showing the mixtures with the following composition;

$($i$)80\%$A and $20\%B.$

$($ii$),40\%A,20\%B,$ and $40\%C.$

$($iii$)70\%B$ and $30\%C.$

$(6$mks$)$

$($b$)$ State four factors that should be considered in the selection of a suitable solvent for Liquid$-$Liquid extraction.

$($c$)$ Discuss solid preparation as it affects the effectiveness of leaching operation.

$(4$mks$)$

QUESTION THRE

Draw the Janecke diagram for a liquid$-$liquid system using the following equilibrium data. Also, show the tie lines on the diagram.

Raffinate phase

Extract phase

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