12TH CHEMISTRY IMPORTANT THREE MARKS VOL 1 AND VOL 2:


PREPARED BY Mr.E.PICHANDY M.Sc., M.Ed., M.Phil., PGDCA, PGDGC., PG ASST (CHEMISTRY),CHINNASAMYAMMAL CORPORATION HR.SEC.SCHOOL, TIRUPUR -7 
PH: 94422 14024