Related Questions

  1. In the following change,KMnO₄ → MnO₂, the oxidation state of Mn changes as
  2. 100 mL of HCl + 35 mL of NaOH, colour of methyl orange in the solution will be
  3. Carbon atom in C₂(CN)₄ are
  4. In aqueous solution of H₂O₂ oxidises H₂S
  5. The hardest substance amongst the following is