CBSE Class 10 Science — Important Questions 2026
Most important questions for CBSE Class 10 Science board exam 2026. Chapter-wise questions with marking scheme and expected topics.
Quick Summary
This page covers the most important questions for CBSE Class 10 Science board exam 2026, based on previous year question papers and expected topics. Focus on these for maximum marks.
How to Use Important Questions
- Start with high-weightage chapters — focus on chapters that carry the most marks in the exam.
- Practice writing answers — don't just read; write out answers within the time limit to build speed.
- Cross-reference with syllabus — ensure every chapter is covered by checking the syllabus page.
- Revise with notes — after practising, use revision notes for quick recap before the exam.
Chapter-Wise Important Questions — 13 Chapters
Focus on high-weightage chapters first. Each chapter below lists the types of questions frequently asked in CBSE board exams.
Chemical Reaction and Equations
62 questionsWhat indicates a chemical reaction has occurred?
What is the chemical formula for calcium oxide (quick lime)?
In a combination reaction, what happens?
What is a decomposition reaction?
+58 more questions — practice in Super Tutor
Acids,Bases and Salts
61 questionsWhat is the pH of a neutral solution?
Which of the following is a natural acid-base indicator?
What happens when an acid reacts with a metal?
What is the chemical formula for sodium hydrogencarbonate?
+57 more questions — practice in Super Tutor
Metals and Non-metals
60 questionsWhich of the following is a characteristic property of metals?
Which metal is the most malleable?
Which of the following is an example of a non-metal?
Which metal reacts most vigorously with water?
+56 more questions — practice in Super Tutor
10 more chapters available
Get chapter-wise important questions with practice tests for all 13 chapters
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Try Super Tutor — It's FreeFrequently Asked Questions
Where can I find CBSE Class 10 Science Important Questions?
This page provides important questions for CBSE Class 10 Science for the 2026 board exam. For chapter-by-chapter study help including summaries, quizzes, and flashcards, try Super Tutor.
Is CBSE Class 10 Science easy to score in?
Science is one of the scoring subjects in CBSE Class 10 if prepared well. Focus on understanding concepts, practising problems regularly, and revising key formulas. Most students who follow a structured study plan score above 80%.
How to prepare for CBSE Class 10 Science board exam?
Start by understanding the complete syllabus. Then focus on important questions from each chapter. Use revision notes for quick review before exams. Follow a study plan that covers all chapters with dedicated revision time.
How many questions come from each chapter in CBSE Class 10 Science?
The question paper distribution varies each year, but certain chapters consistently carry more marks. Check the marks distribution section above for chapter-wise weightage based on previous year patterns.
Browse Important Questions by Chapter
13 chapters available
Chemical Reaction and Equations
Acids,Bases and Salts
Metals and Non-metals
Carbon and its Compounds
Life Processes
Control and Coordination
How do Organisms Reproduce?
Heredity
Light - Reflection and Refraction
The Human Eye and the Colourful World
Electricity
Magnetic Effects of Electric Current
Our Environment
More Science Resources
CBSE Class 10
Syllabus
Complete topic list and marks distribution
Revision Notes
Key formulas, concepts, and quick revision points
Study Plan
Day-by-day preparation schedule
Flashcards
Quick-fire cards for active recall practice
Formula Sheet
Every formula you need in one place
Chapter Summary
Understand each chapter at a glance
Practice Quiz
Test yourself with interactive quizzes
Concept Maps
Visual diagrams showing how topics connect