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 represents the balanced chemical equation for the dehydration of sugar crystals by concentrated sulphuric acid?
- A.C₁₂H₂₂O₁₁ → 12 C + 11 H₂O
- B.C₁₂H₂₂O₁₁ + H₂SO₄ → 12 C + 11 H₂O + SO₂
- C.C₁₂H₂₂O₁₁ → 6 C + 6 H₂O + 6 CO
- D.C₁₂H₂₂O₁₁ + H₂SO₄ → C₆H₁₂O₆ + 6 C + H₂O
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2.What do you observe when sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid?
- A.Sugar dissolves completely without any change.
- B.Sugar melts into a colorless liquid.
- C.Sugar chars to give a black porous mass.
- D.Sugar turns into a white crystalline solid.
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3.Which property of concentrated sulphuric acid is depicted when sugar turns black in its presence?
- A.Oxidizing agent
- B.Dehydrating agent
- C.Reducing agent
- D.Catalyst
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4.Bi-sulphates are formed at a temperature
- A.less than 200°C
- B.more than 200°C
- C.equal to 200°C
- D.more than or equal to 200°C
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5.Sulphuric acid oxidises hydrogen sulphide to :
- A.Sulphur
- B.Sulphur dioxide
- C.Sulphates
- D.Sulphites
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