Download CBSE Class 11 Chemistry Revision Notes Set B in PDF format. All Revision notes for Class 11 Chemistry have been designed as per the latest syllabus and updated chapters given in your textbook for Chemistry in Class 11. Our teachers have designed these concept notes for the benefit of Class 11 students. You should use these chapter wise notes for revision on daily basis. These study notes can also be used for learning each chapter and its important and difficult topics or revision just before your exams to help you get better scores in upcoming examinations, You can also use Printable notes for Class 11 Chemistry for faster revision of difficult topics and get higher rank. After reading these notes also refer to MCQ questions for Class 11 Chemistry given on studiestoday
Revision Notes for Class 11 Chemistry All topics
Class 11 Chemistry students should refer to the following concepts and notes for All topics in Class 11. These exam notes for Class 11 Chemistry will be very useful for upcoming class tests and examinations and help you to score good marks
All topics Notes Class 11 Chemistry
REMEDIAL ACTION PLAN
L‐1 Some Basic Concepts of Chemistry
Chemistry deals with the composition, structure and properties of matter.
Anything that has mass and occupies space is called matter.
Matter mainly exists in three forms ‐ solid, liquid and gaseous forms. These forms are inter convertible
by changing the temperature and pressure.
SOLID <‐‐‐‐> LIQUID <‐‐‐‐> GAS
Solids have a definite volume and definite shape. The particles are closely attached and there is not much freedom of movement.
Liquids does not have a definite shape but have a definite volume. The particles are not so close and there is a freedom of movement.
Gases neither have definite shape nor have a definite volume. The particles are situated as far as they can and are able to move freely.
BASIC CLASSIFICATION OF MATTER
Mixtures ‐ are the combination of two or more atoms which are combined in a ratio If the ratio is uniform throughout the mixture, then it is a homogeneous mixture If the ratio is not uniform throughout the mixture, then it is a heterogeneous mixture
Pure Substances ‐ consist of either one type of atoms or the combination of them in a fixed ratio. If only one type of atom is present in it, then it is called an element If more than one type is present, it is called a compound Molecules are are the combination of two or more atoms Physical Properties can be measured or identified without changing the composition of the substance. Chemical Properties occur due to a chemical change on the constituents.
Mass: It is the amount of matter present in a substance. It is independent of location. Weight: It is the amount of force excerted on an object by gravity. It changes according to the change in gravitational force.
Volume: It is the amount of space occupied by an object.
LAWS OF CHEMICAL COMBINATION
Law of Conservation of Mass (Antonie Lavoisier) ‐ Mass can neither be created nor be destroyed.
Law of Definite Proportions (Joseph Proust) ‐ A given compound always contains the same elements in the same proportion by mass.
Law of Multiple Proportions (John Dalton) ‐ When two or more elements combine to form more thanone compound, a fixed mass of one compound to a different mass of other always brings simple whole number ratios.
Gay Lussac's Law ‐ When gases combine or are produced in a chemical reaction, they do so in a simple ratio provided all gases are in the same temperature and pressure.
Avogadro's Law ‐ Equal Volumes of gases at the same temperature and pressure should contain equal number of molecules.
Scientific NotationIn which any number can be represented in the form N × 10n(Where n is an exponenthaving positive or negative values and N can vary between 1 to 10).e.g. We can write 232.508 as 2.32508 x102in scientific notation. Similarly, 0.00016can be written as 1.6 x 10–4
Precision refers to the closeness of various measurements for the same quantity.Accuracy is the agreement of a particular value to the true value of the result
Significant FiguresThe reliability of a measurement is indicated by the number of digits used torepresent it. To express it more accuratelywe express it with digits that are knownwith certainty. These are called as Significant figures. They contain all thecertaindigits plus one doubtful digit in a number.
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CBSE Class 11 Chemistry Basic Concepts Of Chemistry Notes |
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CBSE Class 11 Chemistry Hydrogen Notes Set B |
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CBSE Class 11 Chemistry Organic Chemistry Notes Set B |
CBSE Class 11 Chemistry Organic Chemistry Notes Set C |
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CBSE Class 11 Chemistry All topics Notes
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Notes for Chemistry CBSE Class 11 All topics
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All topics Notes for Chemistry CBSE Class 11
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All topics CBSE Class 11 Chemistry Notes
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Notes for CBSE Chemistry Class 11 All topics
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