ICSE Class 10

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.

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Sample questions

  1. 1.(i) Choose the correct answer from the options given below: The catalyst used in the Contact Process is:
    • a.Copper
    • b.Iron
    • c.Vanadium pentoxide
    • d.Manganese dioxide
  2. 2.Some properties of sulphuric acid are listed below. Choose the role played by sulphuric acid as A, B, C, or D which is responsible for the reactions (i) to (v). Some role/s may be repeated. A. Dilute acid B. Dehydrating agent C. Non-volatile acid D. Oxidising agent (i) CuSO₄·5H₂O → CuSO₄ + 5H₂O (ii) S + H₂SO₄(conc.) → 3SO₂ + 2H₂O (iii) NaNO₃ + H₂SO₄(conc.) → NaHSO₄ + HNO₃ (iv) MgO + H₂SO₄ → MgSO₄ + H₂O (v) Zn + 2H₂SO₄(conc.) → ZnSO₄ + SO₂ + 2H₂O
  3. 3.Under what condition does oxalic acid react with sulphuric acid to produce carbon monoxide and carbon dioxide?
    • A.When sulphuric acid is dilute.
    • B.When sulphuric acid is concentrated.
    • C.When the reaction is heated to 100°C.
    • D.When oxalic acid is in excess.
  4. 4.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
  5. 5.Why is sulphur trioxide (SO₃) not directly dissolved in water to produce sulphuric acid?
    • A.The reaction is endothermic and requires constant heating
    • B.SO₃ forms a dense fog of acid particles and the reaction is highly exothermic
    • C.Water reacts with SO₃ to form sulphurous acid instead of sulphuric acid
    • D.SO₃ is insoluble in water and settles as a solid precipitate

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