12th New Study Materials - Chemistry Sums

12th New Study Materials:

• Chemistry | Important Sums | Mr. S. Neelakanadan

Thanks to S.NEELAKANDAN M.Sc.,M.Phil.,B.Ed.,

                                     P.G.ASSISTANT- CHEMISTRY
                                     GOVT.HR.SEC.SCHOOL,
                                      PERUMAGALUR-614612.
                                      THANJAVUR DISTRICT

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