00213nam a22001097a 4500 251321 251321 9780070648197 Raymond Chang Chemistry 9th ed 2010 Delhi BK 0 0 0 0 NFIC 40404 40404 GEN 2015-11-16 7 QD31.3.C38 2005 20152660 2019-08-08 00:00:00 2018-09-19 BK 0 0 0 0 NFIC 40404 40404 GEN 2020-02-27 3 QD31.3.C38 2005 20152667 2025-12-04 00:00:00 2025-11-20 BK