CHEMISTRY-I (G108)

CHEMISTRY-I (G108)
DETAIL COURSE CONTENT

UNIT 1-GENERAL CHEMISTRY :
Concept of symbol, valency, formula, atomic mass, molecular mass, elementary idea of atomic structure (Review).Solution : Classify and explain solution according to concentration.Distinguish among suspension, colloids and true solution.Define and explain solubility, effect of temperature on solubility.Mention practical applications of colloids in different situations.Colloidal impurities in drinking and sewage water.Finely divided colloidal particles in air causes Air-Pollution.Assignment and Class test. Acid, Base and Salt :Define and classify acid, base and salt (Review)Define and explain normal solution, molar solution, titration & indicator.Define pH of a solution and pH Scale.Calculate pH from H+ ion concentration.Mention application of pH in industry such as pH of a boiler feed water. Role of pH in sewage treatment. pH in Sugar, Paper industry. Buffer Solution, types and application. Assignment and Class test. Chemical Bonding -Covalent Bond, Ionic Bond, Hydrogen Bond and Metallic Bond.Assignment and Class test
UNIT 2-CHEMISTRY OF WATER : 
State the different types of impurities present in natural water and name.impurities under each of them types.Explain how natural water gets contaminated with the impurities. Explain the action of soap on water.Define and explain soft and hard water with illustrations. Classify and explain hardness of water with illustration. State different ways of expressing concentration of impurities in water including hardness. Name the bad effects caused by natural water when used in domestic as well as industrial purpose. State and Explain the remedial measures of the following bad effects of natural water in boiler. Scales and sludges Caustic Embrittlement: Priming  and foaming,  Corrosion.  Define boiler feed water. Describe with help of diagram of the following water treatment Process.Lime soda process.Permuit or Zeoilite process. Describe with the help of block diagram, the treatments done on a sample of raw water to produce drinking water and boiler feed water. Solve problems on a) bad effects on natural water .b) water treatment process. Assignment and Class test

UNIT 3- PHYSICAL CHEMISTRY:
Catalyst, types, characteristics and application of Catalyst in Industries.Radioactivity-Introduction, Characteristics of alphas, beta and gamma rays, half-life period, artificial fission, atomic fusion, application in different fields.

UNIT 4-METALLURGY AND ALLOYS:
Types of metals & properties .General Metallurgical process. Metallurgy of iron by blast furnace (principle only). Classification of Steel based on its carbon content and its application. Properties of cast iron, wrought iron and steel.Effects of adding alloying elements on the properties of steel.Definition of alloy and purpose of alloying.Method of preparation of alloy ( brief outline only).Composition, properties and engineering uses of following alloys: Duralumin, Magnalium, Brass, Bronze, Monel metal, Babbits metal, Gun metal and Alnico.
UNIT 5- REFRACTORIES:
Define refractories, Classification, Properties. Refractoriness, Strength.Thermal expansion,Porosity. Portland Cement-Composition,Properties, Types.  

PRACTICAL:
Suggested list of experiments:
1.To titrate using standard acid solution to know the strength of a base using indicator or vice-versa.  
2.To determine alkalinity of a water sample by titration method.
3.To observe action of soap on hard water(only demonstration).
4.To determine the total hardness of water sample by complexometric method using EDTA
5.To determine the pH of different sample by using pH meter.
6.To detect qualitatively the presence of Arsenic/Iron in drinking water by using Arsenic / Iron Kit 

SUGGESTED LEARNING RESOURCES: 
Text Books: 
1. Modern Intermediate Chemistry Part I and Part II By R.N. Nanda, A.K. Das , Y.R Sharma 
2. Engineering Chemistry by Jain & Jain 
3. A Text Book of Polytechnic Chemistry by J.P. Mehta & Jain and Jain