ICSE Class 10 Sulphuric Acid (H2SO4) — Mock Test (2027)
Free online mock test for Sulphuric Acid (H2SO4) (ICSE Class 10 Chemistry) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.
What to expect: This mock test covers key concepts from the Sulphuric Acid (H2SO4) chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.
Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.
Sample questions
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1.Which of the following balanced chemical equations correctly represents the reaction between zinc sulphide and dilute sulphuric acid?
- A.ZnS + H₂SO₄ → ZnSO₄ + H₂S
- B.ZnS + H₂SO₄ → ZnO + SO₂ + H₂O
- C.ZnS + 2H₂SO₄ → ZnSO₄ + SO₂ + 2H₂O
- D.ZnS + H₂SO₄ → Zn + H₂S + SO₃
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2.Name a substance that changes the blue colour of copper sulphate crystals to white.
- A.Dilute hydrochloric acid
- B.Concentrated sulphuric acid
- C.Sodium hydroxide solution
- D.Ammonia solution
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3.In the Contact process, which catalyst is used for the reaction between sulphur dioxide and oxygen to produce the output?
- A.Iron (Fe)
- B.Vanadium pentoxide (V₂O₅)
- C.Platinum (Pt)
- D.Nickel (Ni)
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4.Assertion : Sulphuric acid acts as a strong oxidizing agent. Reason : Sulphuric acid can oxidize both metals and non-metals to their respective oxides. (a) Both assertion and reason are true and reason is the correct explanation of assertion. (b) Both assertion and reason are true, but reason is not the correct explanation of assertion. (c) Assertion is true, but reason is false. (d) Assertion is false, but reason is true.
- A.Both assertion and reason are true and reason is the correct explanation of assertion.
- B.Both assertion and reason are true, but reason is not the correct explanation of assertion.
- C.Assertion is true, but reason is false.
- D.Assertion is false, but reason is true.
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5.When sugar turns black in the presence of concentrated sulphuric acid, which property of the acid is demonstrated?
- A.Oxidizing agent
- B.Dehydrating agent
- C.Catalyst
- D.Reducing agent
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