12 TH CHEMISTRY PUBLIC EXAM MARCH 2015 DETAILED ANSWER KEY

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Yours ever in the service of education.,
x+V.CHANDRASEKARAN,
RESEARCH SCHOLAR

DEPARTMENT OF CHEMISTRY,

PERIYAR UNIVERSITY,

SALEM 636011. INDIA.
PG TEACHER IN CHEMISTRY,
GOVT HR SEC SCHOOL,
ATHANUR,NAMAKKAL- 636 301.

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