000 00248nam a2200109 a 4500
999 _c6351
_d6351
041 _aEnglish
082 _aE
_bL91
100 _aGnanapragasam, N S
_eEd
245 _aChemistry Objective Tests
260 _c1979
_bSulthan Chand and Company
942 _cBK