12th Chemistry - Unit wise Questions

12th New Study Materials (As Per New Book 2019-2019):
Prepared by
P.SARAVANAN, M.Sc,,M.Phil., B.Ed.,
PG TEACHER IN CHEMISTRY,
GHSS, ERIYUR, 
PENNAGARAM,
DHARMAPURI-636810




1 Comments:

  1. I need p.saravanan sir contact number please anybody say

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