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 answers to these questions are to be appropriately bubbled as illustrated below in the following example. If the correct matches are A-p, A-s, B-q, B-r, C-p, C-q and D-p, their corretly labelled 4times 4 matrix should look like :

`{:(,"Column-I",,"Column-II",),((A),"NaCl",p.,"Crystalline",),((B),"p-type semiconductor",q.,"Doping",),((C),"n-type semiconductor",r.,"holes are responsible for movement of current",),((D),"Graphite",s.,"electrons are responsible for movement of current",):}`

Answer

`(##DIN_OBJ_CHM_V01_C3_2_E01_212_A01##)`