00502nam a22001457i 4500001001000000005001700010008004100027082001800068245003900086260003800125300001700163650003300180999001700213952012600230SXC01889620260819093643.0260101s1991    ii            000 0 eng d  a540.7 CHE22210aChemistry for competitions /cs.n.  abRajhans Agencies, Meerut,c1991  ap. ;c22 cm. 0aChemistry-Study and teaching  c15092d15092  00102ddc4070alibraryblibrarycCHEMISTRYd2026-08-19i18896l0o540.7 CHEp18896r2026-08-19 09:36:43w2026-08-19yBK