12TH STD CHEMISTRY UNIT 7 NEW STUDY MATERIAL E/M

xii chemistry new material unit 7 em  Click here to download

PREPARED BY :

S.VISHNU SANKAR ,M.Sc.,MPhil.,B.Ed,
P.G.ASST IN CHEMISTRY 
E.M.GOVT .HR SEC SCHOOL
PANPOLI-TENKASI (DIST)
CELL:9443101988

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