CBSE 2025 Science Question Paper for Class 10

About this paper

This is the CBSE Class 10 Science board paper from 2025, Q.P. code 31/2/2 (Series GHF2E, Set 2), printed in Hindi and English. It carries 80 marks over three hours, plus 15 minutes to read, and has 39 compulsory questions in five sections. Section A is 20 multiple-choice questions. Sections B, C and D are very short, short and long answers of 2, 3 and 5 marks. Section E has three case-based questions of 4 marks each. There is no overall choice, though some questions have an internal option. This copy has questions only.

Exam

CBSE Class 10

Subject

Science

Year

2025

Paper code

31/2/2

Maximum marks

80

Time allowed

3 hours

Questions

39

Pages

27

Answers included

No, questions only

Paper pattern

• Section A

  20 marks

  Questions 1–20, multiple-choice, 1 mark each

• Section B

  12 marks

  Questions 21–26, very short answers of 30 to 50 words, 2 marks each

• Section C

  21 marks

  Questions 27–33, short answers of 50 to 80 words, 3 marks each

• Section D

  15 marks

  Questions 34–36, long answers of 80 to 120 words, 5 marks each

• Section E

  12 marks

  Questions 37–39, source-based or case-based units with sub-parts, 4 marks each

Topics covered

• Acids, bases and salts
• Metals and non-metals
• Chemical reactions and equations
• Carbon and its compounds

Questions from this paper

1. The warning sign in the figure must be displayed on containers of the hydroxide of aluminium, calcium, sodium or magnesium.
2. A few zinc granules are taken in a test tube and 2 mL of sodium hydroxide solution is added. On heating, the product formed is Na₂ZnO, NaZnO₂, Na₂ZnO₂ or NaZn(OH)₂.
3. Copper is mixed separately with zinc and with tin. The two alloys formed are brass and bronze. Which option names them in the right order?
4. Which balanced equation correctly shows the exothermic combustion of methane in air?