Quiz

  1. Why is excess air used in sulfur oxidation than that stochiometrically required?

  2. How is the heat released from sulfur to \(\ce{SO2}\) and \(\ce{SO3}\) reactions is recovered and used in the sulfuric acid industry?

  3. What is the reason for having the \(\ce{SO2}\) to \(\ce{SO3}\) converter as a four-bed one instead of single-bed?

  4. For the conversion of \(\ce{SO3}\) to \(\ce{H2SO4}\) what is the need for using concentrated sulfuric acid rather than water?

  5. Why is sodium carbonate called as ‘soda ash’?

  6. What is the role of \(\ce{NH3}\) in Solvay process?

  7. How is the original Solvay process modified so as to overcome the pollution problem with \(\ce{CaCl2}\)?