Post thumbnail

How to Score in Chemistry Class 12 CBSE 2026 | High Weightage Units, Tips & Study Plan

Author avatarby Vartika Saha
12.9K views
3 mins to read
19 Feb 2026
Table of Contents

How to Score High in Chemistry Class 12 CBSE

Chemistry is a high-scoring subject in CBSE Class 12 Science if students focus on the right chapters and practice numericals and reactions regularly. With smart preparation, students can easily score 80+ marks.

This guide explains high-weightage units, easy-to-score topics, study plan, and exam tips for CBSE Chemistry 2026.


High-Weightage Units in Class 12 Chemistry (FAST RECAP)

These units carry maximum marks in board exams, so they must be prepared first:

High Weightage Units

  • Electrochemistry & Chemical Kinetics (Physical Chemistry)

  • Haloalkanes, Alcohols, Phenols, Aldehydes, Ketones & Carboxylic Acids (Organic Chemistry)

  • Coordination Compounds (Inorganic Chemistry)

These chapters together can cover 40–50+ marks in the paper.


Easy-to-Score Units (Quick Marks Boost)

Easy & Scoring Units

  • d and f Block Elements

  • Biomolecules

  • Polymers & Chemistry in Everyday Life

These chapters have direct theory-based questions and definitions, making them perfect for quick revision.


Smart Study Plan to Score in Chemistry

Day Topic Focus Goal
Day 1 Electrochemistry & Numericals Practice formulas
Day 2 Organic Reactions & Named Reactions Memorize reactions
Day 3 Coordination Compounds Learn structures & bonding
Day 4 d & f Block + Periodic Trends Revise properties
Day 5 Biomolecules & Polymers Learn definitions
Day 6 Previous Year Questions Improve accuracy
Day 7 Full Mock Test + Revision Improve speed

How to Study Chemistry for CBSE Exam

1. Master NCERT First

CBSE papers are NCERT-based, especially for Inorganic and Organic Chemistry.

2. Practice Numericals Daily

Electrochemistry, kinetics, and solutions have repeated numerical questions.

3. Learn Organic Reactions by Charts

Make reaction charts for:

  • Alcohols

  • Aldehydes

  • Ketones

  • Amines

4. Revise Formulas and Graphs

Graphs and formulas give easy 1–5 marks questions.


How to Write Chemistry Answers in Exam

  • Write balanced chemical equations

  • Use proper symbols and units

  • Show calculation steps in numericals

  • Draw neat structures and diagrams

  • Use NCERT terminology

Step-wise answers get more marks.


Common Mistakes Students Should Avoid

  • Ignoring Physical Chemistry numericals

  • Skipping Organic reactions

  • Not revising NCERT tables and trends

  • Writing unbalanced equations

  • Forgetting units in calculations


Conclusion

To score high in CBSE Class 12 Chemistry, students should focus on high-weightage units like Electrochemistry, Organic Chemistry, and Coordination Compounds, and revise easy chapters like Biomolecules and Polymers for quick marks. Regular practice of numericals, reactions, and NCERT-based questions is the key to success.

A smart revision plan and exam-oriented practice can help students score excellent marks in Chemistry.


Click here to read about Class 12 Chemistry Organic Reactions List – CBSE Important Reactions to Pass Easily: https://dekhocampus.com/news/class-12-chemistry-organic-reactions-list

FAQs (Frequently Asked Questions)

Chemistry is scoring if students focus on NCERT, practice numericals, and revise organic reactions regularly.

Electrochemistry, Coordination Compounds, Aldehydes & Ketones, and Chemical Kinetics are high-weightage chapters and must be prepared first.

Students should study Chemistry for 2–3 hours daily, with extra time for numericals and reaction revision.

Yes, numericals carry significant marks in Physical Chemistry and can boost scores if practiced well.

Vartika Saha
By Vartika SahaSr. Content Writer
Follow:

Hi, I'm Vartika Saha, a freelance content writer based in Delhi, currently pursuing my B.Com from Shri Ram College of Commerce (SRCC). I have a strong passion for writing and love creating content that’s engaging, informative, and SEO-friendly. With every project, I aim to deliver well-researched, reader-focused pieces that leave a lasting impact. I'm always looking for new opportunities to grow and collaborate in the world of content creation.

Recommended for you

Connect with Expert

Fill the form below and we will get back to you

We do not spam. We value your privacy.

© 2026 DekhoCampus Inc. All Rights Reserved.