000 00271nam a22001217a 4500
020 _a817450494X
082 _a378
_bNCE
100 _aNCERT
245 _aChemistry Part I : textbook for class XI
260 _aNew Delhi:
_bNCERT,
_c2022.
300 _a233p.
942 _cBK
999 _c17466
_d17466