000 nam a22 4500
999 _c83767
_d83767
008 171218b xxu||||| |||| 00| 0 eng d
020 _a817450494X
245 _aChemistry (part 1) : textbook for class XI
260 _aNew Delhi:
_bNCERT,
_c2006.
300 _a254p.;
_bpb
_c10x7.5
942 _cPB