10th Science 2 Mark & 4 Mark Previous Year Questions

Begin your final board countdown with the official 10th Maths First Revision Test 2026 Question Paper. This crucial revision test is a major milestone for SSLC students, specifically structured to evaluate your mastery over the core chapters under strict public exam conditions. This 2026 question paper features a comprehensive mix of foundational 2-mark problems, highly predicted 5-mark long answers, and vital 8-mark graph and geometry constructions aligned with the latest curriculum trends. Use this authentic test paper as a timed rehearsal to sharpen your problem-solving speed, perfect your step-by-step presentation, and lock in your path toward a perfect centum!

SSLC 10TH SCIENCE PUBLIC EXAM 2025 - 2026

PREVIOUS YEAR BOOK INSIDE QUESTIONS

2 MARK AND 4 MARK:

CHEMISTRY PREVIOUS YEAR QUESTIONS 2025 - 26

1. State two conditions necessary for rusting of iron. (2022)

2. What is rust? Give equation. (2023)

3. Define solubility. (2023)

4. Define volume percentage. (2022)

5. Define atomicity.

6. Find the mass percentage composition of methane (CH₄). (2022)

7. In what way hygroscopic substances differ from deliquescent substances? (2022, 2025)

8. Differentiate reversible and irreversible reaction. (2022, 2024, 2025)

9. Define combination reaction. Give example. (2024, 2025)

10. What is an alloy? State reasons for alloying. (2022, 2024)

11. Explain cleansing action of soap. (2022)

12. What happens when MgSO₄·7H₂O is heated? Write equation. (2023)

13. Give salient features of modern atomic theory. (2023)

14. How do detergents cause water pollution? (2023)

15. Define Relative atomic mass.

16. Copper is a reddish brown metal, that reacts with O₂ at less than 1370 K to give A, a black coloured compound. At a temperature greater than 1370 K, Copper reacts with O₂ to give B which is a red coloured compound. Write the balanced chemical equations for the formation of A and B.

17. State any four properties of metals.

18. Write a note on amalgam.

19. Write any two uses of copper.

20. Why ethene is more reactive than ethane?

21.
a) 95.5% of this compound's water solution is called rectified spirit.
b) Pure form of this compound changes into ice like crystals on freezing.

22. Write any 2 uses of Ethanol.

23. Give any two examples for heteroatomic molecules.

24. What is the molar volume of a gas?

25. What is Metal Corrosion?

26. What is meant by binary solution?

27. Give an example each: Gas in liquid, Solid in liquid, Solid in solid, Gas in gas.

28. What is aqueous and non-aqueous solution? Give an example.

29. The aquatic animals live more in cold region. Why?

30. What are the factors affecting solubility?

31. If the pH value of a solution is zero then what will be the nature of the solution?

32. Classify the following compounds based on the pattern of carbon chain and give their structural formula:

33. How is ethanoic acid prepared from ethanol? Give the chemical equation.