1) prepare down the name of the machine used for making paper from wet pulp. Describe why raw sugar is to be refined? What is meant by viscous rayon?

4) prepare down the major products of coal gasification. prepare down the suitable exs of fermentation products and their sources in detail. What do you mean by surfactants? Specify one route for getting synthetic glycerine. What do you understand by antibiotics? prepare down the universal constituents of crude petroleum. prepare down the major petroleum refinery fractions.