1.

(a) Write any two application of adsorption . (b) (i) What is 'Tyndall effect' ? (ii) In the coagulation of negative sol, arrange the following ions in ascendingorder oftheir flocculating power .Ba^2+Na+Al^3+ c) What is Heterogeneous catalysis ?

Answer»

Solution :(i) Puirfication of DRINKING water . (ii) In chromatographic analysis .
The phenomenon of scattering of light due to COLLOIDAL particles.
`Na+lt Ba^2ltAl^3+`.
if the REACTANTS and CATALYST are in different phase , this is CALLED Heterrgrnous catalysis.


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