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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