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100+ Free UPMSP High School Science Practice Questions

Uttar Pradesh UPMSP High School (Class 10) Science — Code 931 practice questions are available now; exam metadata is being verified.

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2026 Statistics

Key Facts: UPMSP High School Science Exam

931

UPMSP High School subject code for Science

UPMSP subject directory / Board_Syllabus.aspx

70 + 30

Common Theory + Internal full marks pattern (total 100)

UPMSP Class 10 subject syllabi (e.g., Science, English PDFs)

3 h 15 m

Typical theory paper duration (confirm subject scheme)

UPMSP High School examination practice

33%

Common minimum pass threshold under UPMSP rules

Widely published UPMSP High School pass criteria (confirm circular)

6 subjects

High School candidates offer five compulsory + one optional subject

UPMSP High School subject combination rules PDF

MCQ study aid

Local bank adapts knowledge to four-option MCQs; official paper is mixed format

OpenExamPrep assessment-format policy

UPMSP High School (Class 10) Science (code 931): mixed board paper, commonly Theory 70 + Internal 30 = 100, ~3h15m. Pass about 33% per UPMSP rules. Fee as per board notification. Free English MCQ study aid — not a full mixed-paper simulation.

Sample UPMSP High School Science Practice Questions

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

1Which type of chemical reaction is represented by the equation: 2Mg + O₂ → 2MgO?
A.Decomposition reaction
B.Combination reaction
C.Displacement reaction
D.Double displacement reaction
Explanation: Two or more reactants (Mg and O₂) combine to form a single product (MgO), which is the definition of a combination (synthesis) reaction.
2When ferrous sulphate crystals are heated strongly, the colour of the crystals changes from green to brown and a gas with a characteristic smell of burning sulphur is released. This is an example of which reaction type?
A.Combination
B.Displacement
C.Thermal decomposition
D.Double displacement
Explanation: Heating ferrous sulphate causes it to break down into Fe₂O₃, SO₂ and SO₃; one compound forming multiple products on heating is thermal decomposition.
3In the reaction Zn + CuSO₄ → ZnSO₄ + Cu, zinc is:
A.Oxidised and is the reducing agent
B.Reduced and is the oxidising agent
C.Neither oxidised nor reduced
D.Only a catalyst
Explanation: Zn loses electrons to form Zn²⁺ (oxidation) and reduces Cu²⁺ to Cu; therefore Zn is oxidised and acts as the reducing agent.
4Which balanced equation correctly represents the reaction of sodium with water?
A.Na + H₂O → NaOH + H₂
B.2Na + 2H₂O → 2NaOH + H₂
C.2Na + H₂O → 2NaOH + H₂
D.Na + 2H₂O → NaOH + H₂
Explanation: Balancing atoms: 2 Na, 4 H and 2 O on both sides requires 2Na + 2H₂O → 2NaOH + H₂.
5A solution turns red litmus blue. Which statement is correct?
A.It is acidic and has pH less than 7
B.It is basic and has pH greater than 7
C.It is neutral with pH equal to 7
D.It is acidic with pH equal to 7
Explanation: Bases turn red litmus blue and have pH > 7; acids turn blue litmus red and have pH < 7.
6Which of the following has the highest pH?
A.Lemon juice
B.Tomato juice
C.Distilled water
D.Milk of magnesia
Explanation: Milk of magnesia is a basic suspension (Mg(OH)₂) with pH around 10; lemon and tomato juices are acidic and water is neutral.
7The chemical formula of bleaching powder is:
A.CaOCl₂
B.Ca(OH)₂
C.CaCO₃
D.CaSO₄·½H₂O
Explanation: Bleaching powder is calcium oxychloride, commonly written as CaOCl₂, produced by treating dry slaked lime with chlorine.
8Baking soda on strong heating produces sodium carbonate, water and which gas?
A.Oxygen
B.Carbon dioxide
C.Hydrogen
D.Chlorine
Explanation: 2NaHCO₃ → Na₂CO₃ + H₂O + CO₂; carbon dioxide is released on heating baking soda.
9Plaster of Paris is obtained by heating gypsum at about 373 K. The chemical formula of plaster of Paris is:
A.CaSO₄·2H₂O
B.CaSO₄·½H₂O
C.CaSO₄
D.CaSO₄·H₂O
Explanation: Partial dehydration of gypsum (CaSO₄·2H₂O) yields plaster of Paris, calcium sulphate hemihydrate CaSO₄·½H₂O.
10In a neutralisation reaction between a strong acid and a strong base, the products are:
A.Acid salt and water only
B.Salt and water
C.Salt and hydrogen gas
D.Base and carbon dioxide
Explanation: Neutralisation: acid + base → salt + water (e.g., HCl + NaOH → NaCl + H₂O).

About the UPMSP High School Science Practice Questions

Verified exam format metadata for Uttar Pradesh UPMSP High School (Class 10) Science — Code 931 is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.