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Chemistry FSc Part 2 Chemistry

Chapter 1 Periodic Classification of Elements and Periodicity | FSC Part 2 Chemistry Notes

Chapter No 1 Periodic Classification of Elements and Periodicity | FSC Part 2 Chemistry Notes Question. What are the improvements made in the Mendeleev’s periodic table? Answer. 1. If the elements are arranged in ascending order of their atomic numbers, their chemical properties repeat in a periodic manner. 2. The position of isotopes has been […]

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Chemistry FSc Part 1 Chemistry

Chapter 1 Basic Concepts in Chemistry – FSc Part 1 Chemistry Notes

Chapter 1 Basic Concepts in Chemistry – FSc Part 1 Chemistry Notes Formula of mass spectrograph: (The formula of mass charge ratio for mass spectrograph is m/e = to H2 R2/2, where ‘H’ is the strength of magnetic field. E is the strength of electrical field and R is the radius of curvature of positive […]

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Chemistry 10th Class Chemistry

Chemistry 10th List of Practicals

Chapter 10 : Acids, Bases and Salts. Experiment 1.1: Identify sodium, calcium, strontium, barium, copper and potassium ions by flame test. Experiment 10.2 Standardize the given NaOH solution volumetrically. Experiment 10.3 Standardize the given HCl solution volumetrically. Experiment 10.4 Determine the exact molarity of Na2CO3 solution volumetrically.

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Chemistry 10th Class Chemistry

Model Paper 10th Class Chemistry Half Book

Chemistry 10th                                                                   Objective Type Time Allowed:  15 minutes                                      Marks:  12 Note: You have four choices for each objective type question as A/B/C/ and D. The choice which you think is correct; fill that circle in front of that question number. Cutting or filling two or more circles will result in zero mark in that question. […]

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10th Class Chemistry Chemistry

Model Paper 10th Class Chemistry Full Book

  CLASS:  10th     PAPER: Chemistry                 DATE:__________              Student’s Name: _______________________________     Computer# Duty Tr:   Checked by:     Re-checked by: Q:1 Q:2 Q:3 Q:4 Q:5 Q:6 Q:7 Q:8 Q:9 PR Total 12 10 10 10 18           60                   […]

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Chemistry 10th Class Chemistry

Chemistry 10th Important Definitions

Chemistry 10th                            Important Definitions Chemical Equilibrium:A state in a reversible reaction where the rate of forward reaction and reverse reaction becomes equal is called Chemical equilibrium. Reversible reaction:The reaction in which the products recombine to form reactants is called reversible reaction.  OR  the reaction that proceed both in forward as well as reverse direction is called […]

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Chemistry 9th Class Chemistry

Chemistry 9th Model Paper Half Book for Students Practice

Chemistry 9th                                                                   Objective Type Time Allowed:  15 minutes                                      Marks:  12 Note: You have four choices for each objective type question as A/B/C/ and D. The choice which you think is correct; fill that circle in front of that question number. Cutting or filling two or more circles will result in zero mark in that question. […]

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Chemistry 9th Class Chemistry

9th Class Chemistry Practicals List

Chapter 1: Fundamentals of Chemistry. Experiment 1.1 : Separate the given mixture of iron filings and sand by physical method.   Chapter 2: Structure of Atoms. No Practical Activity.   Chapter 3 : Periodic table and periodicity of properties. No Practical Activity.

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Chemistry 9th Class Chemistry

Model Paper 9th Class Chemistry

FINAL TERM EXAMINATION YEAR (Model Paper) ……. CLASS: 9th PAPER: Chemistry  DATE:__________         Student’s Name: _______________________________     Computer# Duty Tr:   Checked by:     Re-checked by: Q:1 Q:2 Q:3 Q:4 Q:5 Q:6 Q:7 Q:8 Q:9 PR Total 12 10 10 10 18           60       […]

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Chemistry 9th Class Chemistry

Chemistry 9th – Important Definitions

Chemistry 9th              Important Definitions    Chapter#1            Fundamentals Of Chemistry     Science: word science is derived from “scientia” means “knowledge”. The knowledge that provides understanding of this world and how it works is called science. The knowledge obtained through observations and experiments is called science. Chemistry:The branch of science that deal with the composition, structure, properties […]

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Chemistry 10th Class Chemistry

Chapter#16 CHEMICAL INDUSTRIES – 10th Class Chemistry Notes

Chapter#16 CHEMICAL INDUSTRIES Question#1: Define Chemical industries? What are Minerals, ores and gangue? Chemical industries: Industries that turns raw materials like coal, salts, etc into a variety of products like caustic soda, detergents, etc are called chemical industries. Importance of chemical industries: It is the reason of chemical industry, that we live so relaxed today. […]

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Chemistry 10th Class Chemistry

Chapter 15 WATER – 10th Class Chemistry Notes

Question#1) Write a detailed note on the importance of water? Answer: Significance of water: Throughout history, importance and significance of water has been recognized by mankind. Its importance is because of two reasons. Firstly, it is an essential and major component of each and every living cell. For example, human body consists of about 70% […]

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Chemistry 10th Class Chemistry

CHAPTER 14 ENVIRONMENTAL CHEMISTRY 1: THE ATMOSPHERE

Question: Give the characteristics of troposphere. Why temperature decreases upwards in this sphere?   What are the characteristics of stratosphere? Why temperature increases upwards in this sphere?  Write down the significance of atmospheric gases? COMPOSITION OF ATMOSPHERE: Atmosphere: Atmosphere is the envelope of different gases around the Earth. The study of Earth’s atmosphere and its processes is […]

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Chemistry 10th Class Chemistry

 10th Class Chemistry Chapter 13  Biochemistry Notes

 10th Class Chemistry Chapter 13  Biochemistry Notes Question#1) Define Biochemistry and carbohydrates? How monosaccharides are prepared? Give characteristics of carbohydrates? Biochemistry: The branch of chemistry that deals with the study of biomolecules and all types of chemical reactions that takes place in the body of living organisms. CARBOHYDRATES: Carbohydrates are macromolecules defined as polyhydroxy aldehydes or […]

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Chemistry 10th Class Chemistry

10th Class Chemistry Chapter 12  Hydrocarbons Notes

10th Class Chemistry Chapter 12  Hydrocarbons Notes   Question 1: What are hydrocarbons? What are different types of hydrocarbons?  Answer: Hydrocarbons Hydrocarbons are those compounds which are made up of only carbon and hydrogen elements.   Hydrocarbons as parent organic compounds: Hydrocarbons are regarded as the parent organic compounds since other organic compounds are considered to […]

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Chemistry 10th Class Chemistry

10th Class Chemistry Chapter 11  Organic Chemistry Notes

10th Class Chemistry Chapter 11  Organic Chemistry Notes   Question 1: Write a note on history of organic and inorganic chemistry? Answer: History of Organic and Inorganic chemistry: Initially (before 1828), the name organic chemistry was given for the chemistry of compounds obtained from plants and animals, i.e., from living organism. The word organic signifies life. […]

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Chemistry 10th Class Chemistry

10th Class Chemistry Chapter 10  Acids bases and salts

10th Class Chemistry Chapter 10  Acids bases and salts Question 1: In how many groups all present day organic and inorganic substances are classified? Also write a note on history of acids? Answer: History of Acids and Bases: Acids, bases and salts are three distinct classes in which almost all the organic and inorganic compounds […]

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Chemistry 10th Class Chemistry

10th Class Chemistry Chapter 9 Chemical Equilibrium

10th Class Chemistry Chapter 9 Chemical Equilibrium Q1. Describe a reversible reaction with the help of an example and graph. Answer: Reversible reaction:  A reaction in which the products recombine to form reactants is called reversible reaction. OR  a reaction that proceed both in forward as well as reverse direction is called reversible reaction. Representation: A reversible […]

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Chemistry 9th Class Chemistry

Chapter 8 Chemical Reactivity 9th Class Chemistry Notes

Chapter 8 Chemical Reactivity 9th Class Chemistry Question#1) Define metals? What are the different groups of metals? Answer: METALS Metals are the elements (except hydrogen) which are electropositive and form cations by losing electrons.   Classification of Metals: Metals can be categorized. Very reactive:potassium, sodium, calcium, magnesium and aluminium. Moderately reactive :zinc, iron, tin and […]

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Chemistry 9th Class Chemistry

Chapter 7 Electrochemistry 9th Class Chemistry Notes

Chapter 7 Electrochemistry 9th Class Chemistry Notes   Question#1: Define electrochemistry? Also write a detailed note on oxidation reduction reactions? ELECTROCHEMISTRY: Electrochemistry is the branch of Chemistry that deals with the relationship between electricity and chemical reactions. OXIDATION AND REDUCTION REACTIONS ON THE BASIS OF ADDITION OR REMOVAL OF OXYGEN: Oxidation: Oxidation is defined as addition of […]