Simplified Polytechnic Chemistry Vol–II by Vinay Yadav is a well-structured and student-friendly textbook designed specifically for Polytechnic 2nd Semester students across engineering branches. Published by Mahaveer Publications, this book follows the updated syllabus prescribed for diploma-level technical education and aims to make chemistry concepts simple, clear, and application-oriented.

The book bridges theoretical understanding with real-world engineering applications, helping students grasp the essential chemical principles required in professional technical fields. Each chapter is written in easy language, includes neat diagrams, solved examples, and practice questions, making it ideal for classroom study, laboratory work, and semester exam preparation.

Chapter 1: Environmental Chemistry (Pages 7–18)

Covers fundamental concepts of environmental science and pollution:

• Air, water & soil pollution

• Greenhouse effect, global warming & ozone depletion

• Industrial pollutants

• Wastewater treatment methods

• Role of chemistry in environmental protection

Provides a strong foundation on environmental issues relevant to engineering.

 Chapter 2: Metallurgy (Pages 19–40)

A practical introduction to the extraction of metals:

• Ores & minerals

• Concentration, roasting & calcination

• Reduction processes

• Refining methods

• Alloy formation & applications

Useful for mechanical, automobile, electrical, and civil engineering students.

 Chapter 3: Fuel (Pages 41–62)

Explains various engineering fuels:

• Classification of fuels

• Calorific value

• Solid, liquid & gaseous fuels

• Petrol, diesel, LPG, CNG

• Biogas & renewable fuels

Essential for thermal engineering and power generation concepts.

Chapter 4: Lubricants (Pages 63–72)

Covers the role of lubricants in machines:

• Types of lubricants

• Properties: viscosity, flash point, fire point

• Lubrication mechanisms

• Industrial applications

Important for mechanical and automobile engineering.

 Chapter 5: Corrosion (Pages 73–80)

A key engineering topic:

• Types of corrosion

• Factors affecting corrosion

• Rusting of iron

• Corrosion control & prevention

• Protective coatings

Very useful for civil, mechanical, and manufacturing branches.

 Chapter 6: Polymers and Plastics (Pages 81–94)

Introduction to modern polymer materials:

• Types of polymers

• Thermoplastics & thermosetting plastics

• Polymerization processes

• Applications in engineering, electronics & construction

 Chapter 7: Cement (Pages 95–104)

Covers essential construction material chemistry:

• Composition of cement

• Setting & hardening

• Types of cement

• Properties & applications

Crucial for civil engineering students.

 Chapter 8: Glass (Pages 105–112)

Explains:

• Types of glass

• Composition & manufacturing

• Properties & engineering uses

 Chapter 9: Organic Chemistry (Pages 113–128)

Basic organic chemistry concepts:

• Functional groups

• Nomenclature

• Basic reactions

• Isomerism

• Properties & uses of common organic compounds

 Chapter 10: Hydrocarbons (Pages 129–150)

Detailed study of:

• Alkanes, alkenes & alkynes

• Structure, reactions & properties

• Industrial applications

 Solved Papers (2015, 2016, 2017) — Pages 151–189

• Fully solved previous examinations

• Ideal for revision

• Helps students understand exam patterns & frequently asked questions