Class 12 Chemistry Notes

Important Complete Class 12 Chemistry Notes written by Honorable Professor Mr. Faraz Qadir Suib. These notes are very helpful in the preparation of Class 12 Chemistry Notes for the students of the Intermediate and these are according to the paper patterns of all Punjab boards.

Summary and Contents:
Topics which are discussed in the notes are given below:
  • Important 12 chemistry guide pdf download for Intermediate part-II students.
  • Arrangement of elements according to atomic masses
  • Wrong position of elements
  • Arrangement of elements according to atomic number
  • Definition of Periods with example
  • Important 12 chemistry notes for Intermediate part-II students.
  • Definition of Ionization energy with example
  • Factors affecting ionization energy
  • Variation across a period
  • Definition of Electron Affinity with example
  • Important 12 chemistry notes pdf for Intermediate part-II students.
  • Definition of Metallic and Non-Metallic Character Metals with example
  • Definition of Oxidation State with example
  • Oxidation state in covalent compounds 
  • Important 12 chemistry notes pdf download for Intermediate part-II students.
  • Oxidation state in the free state of elements
  • Electrical conductance of IA and IIA
  • Definition of Hydration Energy with example
  • Factor affecting hydration energy
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  • Properties of Ionic halides:
  • Properties of covalent halides
  • Reason for the peculiar behaviour
  • Reason for the peculiar behaviour of Peculiar Behaviour of Beryllium
  • Important 12 class chemistry notes pdf for Intermediate part-II students.
  • Commercial Preparation of Sodium by Down’s Cell Significance
  • Diagram of Down’s Cell Working 
  • Commercial Preparation of Sodium Hydroxide by Diaphragm Cell Significance
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  • Problems During the working of the Cell 
  • Role of Gypsum in Agriculture and Industry Role of Gypsum in Agriculture 
  • Preparation of Plaster of Paris for use
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  • Varieties of Plaster of Paris
  • Role of Lime in Agriculture and Industry
  • Role of Lime in Industries
  • Important 12 organic chemistry notes for Intermediate part-II students.
  • Hard Finish Plaster and Cement Plaster
  • Peculiar Behaviour of Boron Reason of peculiar behaviour
  • Preparation of boric acid on commercial scale
  • Important 12 th chemistry notes for Intermediate part-II students.
  • Definition of  Silicates
  • Similarity between silicon and carbon chemistry
  • Definition of Semiconductors  with example
  • Manufacture of Nitric Acid Birkeland and Eyde’s Process
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  • Comparison of Oxygen and Sulphur
  • Manufacturing of Sulphuric acid
  • Commercial Preparation of Bleaching Powder
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  • Commercial Uses of Halogens and their Compounds 
  • Applications of helium
  • Manufacture of Wrought Iron from Cast Iron
  • Definition of corrosion
  • Organic Compounds and their properties
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  • Classification of Organic Compounds
  • Cracking of Petroleum 
  • Types of Cracking   Following are the types of cracking: 1. Thermal cracking 2. Catalytic cracking 3. Steam cracking 
  • Cause of Knocking in Engine
  • Importance of Octane Number
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  • Definition of Hybridization with example
  • Definition of Fertilizers with example
  • Elements essential for plant growth
  • Essential Qualities of a Good Fertilizer
  • Preparation of ammonium carbamate
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  • These fertilizers provide potassium to the plant or soil. Benefits of potassium for plant
  • Definition of Cement Industry with example
  • Manufacturing Process of Cement
  • Comparison of dry and wet process
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  • Production of calcium hydroxide and aluminium hydroxide
  • Definition of Paper Industry with example
  • Effects of pollution on ecosystem
  • Definition of Acid Rain with example
  • Definition of Smog with example
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  • Physical characteristics of photochemical smog
  • Harmful effects of ozone depletion
  • Purification of water
  • Commonly used chlorinating agents 
  • Incineration of the Muncipal Solid Waste
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  • Incineration of Industrial and Hazardous Waste
  • Define polymerization. Explain the term degree of polymerization.
  • How are macromolecules classified?
  • What is the structure of starch and cholesterol?
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  • Define copolymer. Give example.
  • How Polyvinyl chloride (PVC) is prepared and give its uses?   
  • What are thermoplastic and thermosetting polymers?
  • Write a note on condensation polymer.
  • Give mechanism of addition polymerization. 
  • Important solutions class 12 notes for Intermediate part-II students.
  • In what way fats and oils are different? 
  • What are lipids? Give two physical properties.
  • Discuss Saponification number and give example.
  • Define iodine number and acid number. 
  • What is rancidity of fats and oils?
  • What is meant by hardening of oil?
  • What is denaturation of proteins?
  • What are carbohydrates? Why are they called so? 
  • What are differences between DNA and RNA?
  • What is function of DNA and RNA?
  • Mention any four essential qualities of a good fertilizer.
  • Mention the steps involved in the manufacturing of urea.
  • Which reactions are involved in the manufacture of urea?
  • What is meant by prilling of urea?
  • What is the role of phosphorus in plant growth?
  • What is the role of potassium in plant growth?
  • Give percentage composition of cement. 
  • What are the steps of the wet process for the manufacturing of cement?
  • Give different zones in the rotary kiln and their temperature ranges.
  • Mention the reactions taking place between 1 to 7 days in setting of cement.
  • Mention three non-woody and three woody raw materials used in paper industry. 
  • Explain neutral sulphite semi-chemical process for paper making. 
  • Define Environmental chemistry. Name components of the environment. 
  • Define atmosphere. What is the composition of atmosphere? 
  • What are primary and secondary air pollutants?
  • How detergents are threat to aquatic life?

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