Unit Processes & Chemical Technology — Winter 2025

What is pigment? Briefly describe their types.

Distinguish between unit process and unit operation.

Give details about diaphragm and membrane cell process for production of chlorine.

What is PVC ratio? Why paints are failure many times?

Give the classification of drugs.

Give the detailed process for manufacturing of H-acid.

Explain DCDA process with major Engineering problems.

Why Friedel-Craft alkylation of nitrobenzene is disfavoured?

Give the details about raw materials used in ceramic industries.

Explain the manufacturing process of paints with neat flow diagram

What is NPK fertilizer?

Discuss the mechanism for alkylation of chlorobenzene.

Explain the manufacturing process of Ammonia with major engineering problems.

Write the important properties of petroleum products.

Write basic prerequisites of good fermentation process.

Explain the manufacturing process of sugar from sugar cane.

Describe in detail settling and hardening of cement.

Explain the major engineering problem in the manufacturing of H PO by34 wet process.1

Describe the manufacturing process of chrome blue black.

Explain preparation of Phenobarbital with chemical reaction.

Discuss the advantages of catalytic cracking over thermal cracking.

Explain pulp manufacturing by Kraft process.

List out the advantages and disadvantages of Solvay Process.

Explain the classification of dyes according to its application.

What are antibiotics? Explain the manufacture of penicillin with a neat process flow diagram.