000 00397nam a22001337a 4500
999 _c4606
_d4606
020 _a(hb)
082 _a540
_bCHE
100 _aPunjab Textbook Board
245 _aChemistry
_bfor xi
260 _aLahore
_bJamil Book Center
_c1999
300 _a334 p.
_b: ill.
_c; 23 cm.
650 _aChemistry
_vTransition elements
_vOrganic chemistry
_vChemical industries
_vHydrocarbons
_vHydrogen
_vFEAS
942 _cBK