Here each question contains statements given in two columns which have to be matched. statements in Column I are labelled as A,B,C and D whereas the statements in Column II are labelled as p,q,r and s. the answer to these questions are to be appropriatly bubbled as illustrated in the following example
if the correct matches are A-p , A-s, B-q, B-r , C-p , C-q and C-p their correctly labelled 4 x 4 matrix should look like the following

`{:(,"Column I",,"Column II",),((A),"Degree of dissociation",,(p) ("No. of molecules dissociated")/("No. of molecules taken"),),((B),"Oswald's dilution law",,(q)alpha=sqrt(K xxC),),((C ),"Catalyst",,(r ) [H_(3)O]^(+)[OH^(-)],),((D), "Ionic product of water ",,(s) "Helps in attaining equilibrium in appropriate time",):}`

Answer

`(##DIN_OBJ_CHM_V01_C2_3_E01_438_A01##)`