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CBSE Class 12 Chemistry Sample Paper 2026 | Important Questions & Exam Guide

Author avatarby Geethika Reddy
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19 Feb 2026
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CBSE Class 12 Chemistry Sample Paper 2026 – Science Exam Guide for Easy Passing Introduction

Chemistry is one of the most scoring subjects in CBSE Class 12 Science if students practice the right sample papers and important questions. Every year, many questions follow a repeated pattern from high-weightage units.

This article provides sample paper pattern, important questions, high-weightage units, and smart exam tips to help students pass easily in CBSE 2026.


High-Weightage & Easy-to-Score Units (Fast Recap)

Category Units (Class 12 Chemistry)
High Weightage Units Electrochemistry, Coordination Compounds, Organic Chemistry (Reactions & Mechanisms)
Very Easy to Score Solid State, Surface Chemistry, Biomolecules, Polymers
Moderate Difficulty Aldehydes, Ketones, Amines, d-Block Elements

Organic Chemistry and Electrochemistry are must-prepare for scoring above average.


CBSE Class 12 Chemistry Sample Paper Pattern 2026

Section Question Type Marks
Section A MCQs 20 Marks
Section B Short Answer 20 Marks
Section C Long Answer 30 Marks
Section D Case-Based Questions 10 Marks
Total   80 Marks

Important Chemistry Sample Paper Questions (2026)

Section A – MCQs (Very Important)

  • What is the unit of conductivity?

  • Identify the type of crystal in NaCl.

  • Which polymer is biodegradable?

  • What is the oxidation number of Cr in K₂Cr₂O₇?


Section B – Short Answer Questions

  • Explain Faraday’s laws of electrolysis.

  • What is coordination number?

  • Define adsorption and types.

  • Write differences between SN1 and SN2 reactions.


Section C – Long Answer Questions (High Weightage)

Topic Expected Question
Electrochemistry Derivation of Nernst equation
Coordination Compounds IUPAC naming & isomerism
Organic Reactions Mechanism of Aldol condensation
d-Block Elements Properties and uses

Section D – Case Study Questions

  • Electrochemical cells based case study

  • Drug and biomolecule application questions

  • Environmental chemistry scenario-based questions


One-Day Chemistry Sample Paper Revision Plan

Time Topic
Morning Electrochemistry & Solid State
Afternoon Coordination Compounds & d-Block
Evening Organic Chemistry Reactions
Night Biomolecules, Polymers, MCQs

How to Score Full Marks in Chemistry

  • Practice previous year sample papers

  • Memorize named reactions and mechanisms

  • Write balanced equations clearly

  • Draw neat diagrams and structures

  • Focus on NCERT-based answers


Common Mistakes Students Make

  • Ignoring Organic Chemistry mechanisms

  • Skipping Electrochemistry numericals

  • Not practicing MCQs

  • Writing vague answers without equations

Avoid these mistakes to improve your score.


Conclusion

CBSE Class 12 Chemistry sample papers are the best way to prepare for the 2026 board exam. Focus on high-weightage units, practice numericals, and revise organic reactions regularly to score well.


Click Here to Know More about CBSE Class 12 Chemistry Syllabus 2025–26 | Units, Chapters & Marks Distribution Details: https://dekhocampus.com/news/cbse-class-12-chemistry-syllabus-2025-26

FAQs (Frequently Asked Questions)

Yes. Sample papers help students understand the exam pattern, time management, and repeated question types. Practicing them increases confidence and accuracy.

Students should practice at least 5–10 full-length sample papers before the exam to improve speed and accuracy.

Electrochemistry, Coordination Compounds, and Organic Chemistry are high-weightage. Biomolecules and Polymers are easy and scoring.

Geethika Reddy
By Geethika ReddyContent Writer
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I’m Geethika Reddy, a content writer from Karnataka with 4 years of experience in writing across multiple languages. I specialize in SEO-friendly articles, blogs, website content, and creative writing, ensuring that every piece is engaging, well-researched, and tailored to the target audience. My multilingual expertise allows me to create content that connects with diverse readers, making me a versatile and adaptable writer.

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