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100+ Free Punjab PSEB Matric Science Practice Questions

Punjab School Education Board (PSEB) Matric (Class 10) Science — Physics, Chemistry & Biology practice questions are available now; exam metadata is being verified.

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2026 Statistics

Key Facts: Punjab PSEB Matric Science Exam

80 + 20

Theory + Internal Assessment (INA) full marks

PSEB Science scheme 2025–26 (code 05)

33%

Typical minimum pass of total subject marks

PSEB Matric Science pass criteria (confirm circular)

≥25% theory

Minimum theory score often required with 33% overall

PSEB Science scheme 2025–26

~3 hours

Typical PSEB Matric Science written exam duration

PSEB Matric exam pattern (confirm timetable)

English MCQ adaptation

This free local bank is not the official Matric paper format

OpenExamPrep practice policy

PSEB Matric Science is a Class 10 Punjab Board subject with Physics, Chemistry, and Biology: Theory 80 + INA 20 = 100, mixed written paper (~3 h), pass typically 33% total with min ~25% theory — not a pure MCQ board paper. This free 2026 bank is an English MCQ study adaptation for NCERT/PSEB-aligned Science concepts and calculations.

Sample Punjab PSEB Matric Science Practice Questions

Try these sample questions to test your Punjab PSEB Matric Science exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which of the following is an example of a combination reaction?
A.CaCO₃ → CaO + CO₂
B.2H₂ + O₂ → 2H₂O
C.Zn + CuSO₄ → ZnSO₄ + Cu
D.2AgCl → 2Ag + Cl₂
Explanation: In a combination reaction two or more reactants form a single product. Hydrogen and oxygen combine to form water.
2When iron nails are placed in copper sulphate solution, the blue colour fades because:
A.iron oxidises copper ions only
B.copper is displaced by iron and copper metal deposits
C.copper sulphate evaporates
D.iron dissolves without any chemical change
Explanation: Iron is more reactive than copper, so Fe displaces Cu²⁺ from CuSO₄: Fe + CuSO₄ → FeSO₄ + Cu. The blue Cu²⁺ concentration falls as copper metal forms.
3Which reaction is a double displacement (precipitation) reaction?
A.2Mg + O₂ → 2MgO
B.Zn + H₂SO₄ → ZnSO₄ + H₂
C.Na₂SO₄ + BaCl₂ → BaSO₄ + 2NaCl
D.2H₂O₂ → 2H₂O + O₂
Explanation: Na₂SO₄ and BaCl₂ exchange ions; insoluble BaSO₄ precipitates. That is a classic double displacement precipitation reaction.
4In the reaction 2PbO + C → 2Pb + CO₂, the substance that is oxidised is:
A.PbO
B.C
C.Pb
D.CO₂
Explanation: Carbon gains oxygen (forms CO₂), so carbon is oxidised. PbO loses oxygen and is reduced to lead.
5When the equation Fe + H₂O → Fe₃O₄ + H₂ is balanced, the coefficient of H₂O is:
A.2
B.3
C.4
D.6
Explanation: Balanced equation: 3Fe + 4H₂O → Fe₃O₄ + 4H₂. The coefficient of water is 4.
6Rancidity of oils and fats is mainly due to:
A.reduction by hydrogen
B.oxidation of unsaturated fats/oils
C.addition of antioxidants only
D.dissolving in water
Explanation: Unsaturated fats and oils slowly oxidise in air, producing foul-smelling compounds (rancidity). Antioxidants and airtight packing slow oxidation.
7Which observation indicates a chemical reaction when dilute HCl is added to zinc granules?
A.Only a temperature drop with no gas
B.Evolution of hydrogen gas and warming of the mixture
C.Formation of a solid precipitate of zinc metal
D.No change at all
Explanation: Zn + 2HCl → ZnCl₂ + H₂ is a displacement reaction. Hydrogen gas evolves and the reaction is typically exothermic (mixture warms).
8According to the law of conservation of mass, in a closed system the total mass of reactants is:
A.always less than products
B.always greater than products
C.equal to the total mass of products
D.unrelated to products
Explanation: Mass is neither created nor destroyed in ordinary chemical reactions. In a closed system, mass of reactants equals mass of products.
9Which of the following turns blue litmus red?
A.NaOH solution
B.Lime water
C.Dilute HCl
D.Soap solution
Explanation: Acids turn blue litmus red. Dilute HCl is acidic; NaOH, lime water, and soap solution are basic/alkaline.
10The pH of pure water at 25 °C is approximately:
A.0
B.7
C.14
D.1
Explanation: Pure water is neutral with [H⁺] = 10⁻⁷ mol L⁻¹ at 25 °C, so pH = 7.

About the Punjab PSEB Matric Science Practice Questions

Verified exam format metadata for Punjab School Education Board (PSEB) Matric (Class 10) Science — Physics, Chemistry & Biology is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.