question

(a) write the dispersed phase and dispersion medium of dust.

(b) why is physisortion reversible whereas chemisorption is irreversible?

(c) a colloidal sol is prepared by the method given in the figure. what is the charge on agi colloidal particles in the test tube? how is this sol represented?

    

 

 

 

 

 

 

 

 

230