00429    a2200133   4500008004100000020001500041082001500056110006600071245003300137250001200170260007800182300002100260650001400281210415b           ||||| |||| 00| 0 eng d  a817450535000a540bN3373  aNational Council of Educational Research and Training (NCERT)  aChemistry part-2: Class XI /  a1st ed.  aNew Delhi:bNational Council of Educational Research and Training,c2017.  aviii, 255-421 p. 0aChemistry