Related Questions

  1. Which of the following is a derivative of phenol
  2. The indicator used in the titration of iodine against sodium thiosulphate is
  3. The atomic number of cobalt is 27. The EAN of cobalt in Na₃[Co(NO₂)₄Cl₂] is
  4. The wavelength of the radiation emitted when an electron drops from 3rd orbit
  5. Which one of the following ions will be the smallest in size?