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(a) A colloidal solution of AgI is prepared by adding AgNO3 solution drop - by - drop to excess of KI solution. What will be the charge on sol so formed? What is the cause of the charge?

(b) Which of the following adsorption isobars reperesnts physiorption? Justify the answer.

            (x/m - extent of adsorption, t- temperature.)

    

(c) Two gases A and B have critical temperature 430K and 190K respectively. Which gas will be readily adsorbed and why?

 

 

 

 

 
 
 
 
 

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