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Here I am giving you mark distribution for chemistry, physics and mathematics subject of CBSE class 12th examination below : Weightage to content/subject units Unit Title Marks 1. Solid state 4 2. Solutions 5 3. Electrochemistry 5 4. Chemical Kinetics 5 5. Surface Chemistry 4 6. General principles and process of Isolation of elements 3 7. pBlock Elements 8 8. dand fBlock Elements 5 9. Coordination Compounds 3 10. Haloalkanes and Haloarenes 4 11. Alcohols, Phenols and Ethers 4 12. Aldehydes, Ketones and Carboxylic acids 6 13. Organic Compounds containing Nitrogen 4 14. Biomolecules 4 15. Polymers 3 16. Chemistry in Everyday life 3 Total 70 Physics: Unit Marks Electrostatics 08 Current Electricity 07 Magnetic Effect of Current & Magnetism 08 Electromagnetic Induction and Alternating current 08 Electromagnetic Waves 03 Optics 14 Dual Nature of Matter 04 Atoms and Nuclei 06 Electronic Devices 07 Communication Systems 05 Total 70 Maths: Topics Marks Relations and functions 10 Algebra 13 Calculus 44 Vectors & threedimensional Geometry 17 Linear programming 06 Probability 10 Total 100 Last edited by Aakashd; May 17th, 2019 at 01:53 PM. 
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Re: 12th Class subjects Chapterwise Mark Distribution
Maths:
Topics Marks Relations and functions 10 Algebra 13 Calculus 44 Vectors & threedimensional Geometry 17 Linear programming 06 Probability 10 Total 100 
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Re: 12th Class subjects Chapterwise Mark Distribution
1. Relations and Functions: 10 marks
 Relations and Functions: 5 marks  Inverse Trigonometric Functions: 5 marks 2. Algebra: 13 marks  Matrices: 8 marks  Determinants: 5 marks 3. Calculus: 44 marks  Continuity and Differentiability: 8 marks  Applications of Derivatives: 10 marks  Integration: 12 marks  Applications of Integrals: 6 marks  Differential Equations: 8 marks 4. Vectors and Threedimensional Geometry: 17 marks  Vectors: 6 marks  Three dimensional Geometry: 11 marks 5. Linear Programming: 6 marks 6. Probability: 10 marks Total: 100 marks 