Related Questions

  1. Colloidal found effective in medicines is
  2. The equivalent weight of H₃PO₂, when it disproportionates into PH₃ and H₃PO₃ is
  3. Vapour density of a gas is 22. What is its molecular weight
  4. Ozone is formed in the upper atmosphere from oxygen by the action of
  5. Oxidation numbers of carbon in CH₂Cl₂,CO₂ and CO₃²⁻ are respectively