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.The reaction between concentrated sulphuric acid and magnesium can be represented by the equation: Mg + 2H₂SO₄ → MgSO₄ + 2H₂O + SO₂ If 60 g of magnesium is used in the reaction, calculate: (a) The mass of sulphuric acid needed for the reaction. (b) The volume of sulphur dioxide gas liberated at S.T.P. (Atomic weights: Mg = 24, H = 1, S = 32, O = 16)
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2.When sulphur trioxide reacts with concentrated sulphuric acid, which compound is formed?
- A.Sulphur dioxide
- B.Oleum (H₂S₂O₇)
- C.Sulphurous acid
- D.Sulphur monoxide
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3.In the given equation, identify the role played by concentrated sulphuric acid $$\mathrm{S} + 2\mathrm{H_2SO_4} \longrightarrow 3\mathrm{SO_2} + 2\mathrm{H_2O}$$
- A.Non-volatile acid
- B.Oxidising agent
- C.Dehydrating agent
- D.None of these above
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4.What happens when sulphuric acid comes into contact with blue litmus paper?
- A.It turns the litmus paper blue.
- B.It turns the litmus paper red.
- C.It has no effect on the litmus paper.
- D.It bleaches the litmus paper.
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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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