Explain the mechanism of alkylation of benzene.
[3 marks]Explain nitration and sulfonation of benzene with reaction mechanism.
[4 marks]Explain DCDA process with major Engineering problems
[7 marks]Discuss the theories of colour and constitution
[3 marks]What is dye? How are dyes classified on the basis of structure?
[4 marks]Explain the manufacturing process of vinyl sulphone dye with neat sketch diagram.
[7 marks]Explain the manufacturing process of H-acid dye with neat sketch diagram.
[7 marks]Write a note on Direct dyes.
[3 marks]Explain the mining of sulfur by frasch methods.
[4 marks]Explain the manufacturing process of caustic soda by membrane cell.
[7 marks]Write a note on Azo dyes.
[3 marks]Explain the claus process for sulfur.
[4 marks]Explain the manufacturing process of Urea with major engineering problems
[7 marks]What is PVC ratio? Why paints are failure many times?
[3 marks]Write a note on white pigments.
[4 marks]Explain the manufacturing process of paints with neat flow diagram
[7 marks]Explain the role of Pigments/Resin/Binder as an ingredients used in paint
[3 marks]Write a note on ZnO as a pigment
[4 marks]Explain the manufacturing process of sugar from sugar cane
[7 marks]What are antibiotics?
[3 marks]Explain preparation of Phenobarbital with chemical reaction
[4 marks]Explain the manufacturing process of penicillin with flow diagram
[7 marks]Explain setting and hardening of cement with chemical reaction.
[3 marks]Write basic prerequisites of good fermentation process.
[4 marks]Explain the manufacturing process of cement with flow diagram.
[7 marks]