DSpace Collection: http://elearn.psgcas.ac.in:8080/jspui/handle/123456789/2355 Sat, 04 Apr 2026 12:22:21 GMT 2026-04-04T12:22:21Z CHEMISTRY http://elearn.psgcas.ac.in:8080/jspui/handle/123456789/2356 Title: CHEMISTRY Tue, 10 Feb 2026 00:00:00 GMT http://elearn.psgcas.ac.in:8080/jspui/handle/123456789/2356 2026-02-10T00:00:00Z