Hello,

The board has reduced new CBSE 12th Chemistry Syllabus 2020-21 by 30%.

Deleted Topics from CBSE 12th Chemistry Syllabus 2020-21:

• Chapter 1: Solid State

• Chapter 2: Solutions

• Chapter 3: Electrochemistry

Lead accumulator, fuel cells, corrosion, law of electrolysis (elementary idea), dry cell- electrolytic cells and Galvanic Cells.

• Chapter 4: Chemical Kinetics

• Chapter 5: Surface Chemistry

• Chapter 6: General Principles and Processes of Isolation of Elements.
• Chapter 7: p-Block Elements

• Chapter 8: d and f Block Elements

Chemical reactivity of lanthanides, Actinides -Electronic configuration, oxidation states and comparison with lanthanide. Preparation and properties of KMnO4  and K2Cr2O7.

• Chapter 9: Coordination Compounds

• Chapter 10: Haloalkanes and Haloarenes

• Chapter 11: Alcohols, Phenols and Ethers

• Chapter 12: Aldehydes, Ketones and Carboxylic Acid
• Chapter 13: Amines

• Chapter 14: Biomolecules

• Chapter 15: Polymers, Entire chapter
• Chapter 16: Chemistry in Everyday life, Entire chapter

you can refer to this link for more information.

Hope this helps !!