Related Questions

  1. Of the following reaction, only one is a redox reaction.Identify this reaction
  2. In the manufacture of sulphuric acid by contact process, Tyndall box is used to
  3. The colour of p-aminoazobenzene is
  4. If the hydrogen ion concentration of an acid decreases 10 times, its pH value
  5. Which colourless gas evolves, when NH₄ Cl reacts with zinc in a dry cell battery