00488nam a22001697a 4500003000400000008004100004082001400045100002000059245008500079250002100164260003700185300001200222650001800234650003400252650001400286700001800300OSt221130b        |||||||| |||| 00| 0 eng d  a540bS61C  aSingh, Lakhmir.  aScience for Ninth Class Chemistry / cby Lakhmir Singh and Manjit Kaur ; Part- I  a11th ed. reprint  a.- New Delhib: S. Chandc, 1991  av,239p.  aPure sciences  aChemistry and Allied Sciences  aChemistry  aKaur, Manjit.