CBSE Class 10 Science MCQs with Answers 2026 | Full Syllabus Chapter-wise Questions
Question 1 of 20
Which of the following indicates a chemical reaction?
Question 2 of 20
Magnesium ribbon burns with:
Question 3 of 20
Burning magnesium produces:
Question 4 of 20
A balanced chemical equation follows:
Question 5 of 20
Which is a combination reaction?
Question 6 of 20
Quick lime is:
Question 7 of 20
Slaked lime is:
Question 8 of 20
Reactions that release heat are called:
Question 9 of 20
Respiration is an example of:
Question 10 of 20
Zinc reacts with dilute acid to produce:
Question 11 of 20
A reaction in which one substance breaks down into simpler substances is:
Question 12 of 20
Thermal decomposition requires:
Question 13 of 20
Green ferrous sulphate crystals on heating form:
Question 14 of 20
Brown fumes released during heating of lead nitrate are:
Question 15 of 20
Silver chloride turns grey in sunlight because:
Question 16 of 20
Decomposition by electricity is called:
Question 17 of 20
During electrolysis of water, the gas collected in double volume is:
Question 18 of 20
Iron displaces copper from copper sulphate because iron is:
Question 19 of 20
Which is a displacement reaction?
Question 20 of 20
The white precipitate formed in Na₂SO₄ + BaCl₂ reaction is:
Prepare for CBSE Class 10 Science Exam 2026 with important MCQs based on the latest NCERT syllabus. These easy and exam-oriented multiple choice questions cover Chemical Reactions, Life Processes, Electricity, Light, Environment, and all important chapters with answers and explanations.
Practice CBSE Class 10 Science MCQs with answers for 2026 board exams. Get chapter-wise NCERT-based multiple choice questions with explanations for quick revision and preparation.
FAQ
What are the important MCQs for CBSE Class 10 Science 2026?
Important MCQs include questions from Chemical Reactions, Acids Bases and Salts, Life Processes, Electricity, Light, and Environment based on the latest NCERT syllabus.
Are these MCQs based on the latest CBSE syllabus?
Yes, all questions are prepared according to the latest CBSE Class 10 Science 2026 curriculum and NCERT textbook.
Are answers included with explanations?
Yes, every MCQ includes the correct answer along with a short explanation for better understanding.
Can these MCQs help in board exam preparation?
Yes, these MCQs are useful for revision, school exams, unit tests, and CBSE board exam preparation.
Are these questions suitable for beginners?
Yes, the questions are designed in easy difficulty level for quick learning and practice.
Which chapters are covered in these MCQs?
The MCQs cover the full CBSE Class 10 Science syllabus including Physics, Chemistry, Biology, and Environmental Science topics.