Related Questions

  1. If Nₐ is Avagadro number then number of valence electrons in 4.2g of nitride
  2. For which one of the following equations is ΔH⁰react equal to ΔH°f
  3. The oxyacid of sulphur that contains a lone pair of electrons on sulphur is
  4. The temperature, at which heavy water has maximum density is
  5. Helium is used in balloons in place of hydrogen because it is