Download CBSE Class 11 Chemistry Revision Notes Set E 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 Standard 11. Our teachers have designed these concept notes for the benefit of Grade 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 our website
Class 11 Chemistry Revision Notes
Class 11 Chemistry students should refer to the following concepts and notes for Chemistry in standard 11. These exam notes for Grade 11 Chemistry will be very useful for upcoming class tests and examinations and help you to score good marks
Notes Class 11 Chemistry
CBSE Class 11 Chemistry Notes - Some Basic Concepts of Chemistry. Learning the important concepts is very important for every student to get better marks in examinations. The concepts should be clear which will help in faster learning. The attached concepts made as per NCERT and CBSE pattern will help the student to understand the chapter and score better marks in the examinations.
Chapter notes
Class: XI
Chapter 1: Some Basic Concepts of Chemistry
Top concepts
1. The SI system has seven base units which pertain to the 7 fundamental scientific quantities.
2. The unit is written on the right of the quantity with a space between them.
3. The SI system allows the use of prefixes to indicate the multiples or submultiples of a unit.
4. To indicate very small numbers, we use negative exponents.
5. To indicate large numbers, we use positive exponents.
6. Scientific notation is the proper representation of a number in exponential form.
7. Precision indicates how closely repeated measurements match each other.
8. Accuracy indicates how closely a measurement matches the correct or expected value.
9. A result is valid only if it is both accurate and precise.
10. Significant figures are meaningful digits which are known with certainty.
11. There are certain rules for determining the number of significant figures:
i) All non-zero digits are significant
ii) Zeros preceding the first non-zero digit are not significant
iii) Zeros between two non-zero digits are significant.
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