Column - I and Column - II contains four emtries each. Entries of Column -I are to be matched with some entries of Column - II . One or more than one entries of Column -I may have the matching with the same entries of Column - II. `{:("column-I","column-II"),("(A) Liquid dispersed in gas","(P) foam "),("(B) Gas dispersed in liquid ",(Q) " Emulsion"),("(C) Liquid dispersed in solid ","(R) Aerosol "),("(D) Liquid dispersed in liquid ","(S) Gel "):}`
