00552nam a22001577i 4500001001000000005001700010008004100027082002400068100001600092245004300108260005400151300001700205650002300222999001700245952013200262SXC03382220260819093930.0260101s2019    ii            000 0 eng d  a540.76 NEG.D-Q0222  aNegi, R K S10aQuestion bank chemistry /cNegi, R K S  abDhillon Group of Publications, New Delhi,c2019  ap. ;c22 cm. 0aChemistry-Problems  c25266d25266  00102ddc4070alibraryblibrarycCHEMISTRYd2026-08-19i33822l0o540.76 NEG.D-Q0p33822r2026-08-19 09:39:30w2026-08-19yBK