00337nam a2200133Ia 4500001000500000005001700005008004100022020001500063082001200078100001600090245006200106260002100168650001400189345620261006003715.0120911s9999    xx            000 0 und d  a0074601377  a540 GOP  aGopalan, R.  aChemistry class 1X : for matriculation board / R. Gopalan  aTata Mcgraw Hill  aChemistry