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.Select two examples of hygroscopic substances from the following options.
- A.Common salt and sugar
- B.Concentrated sulphuric acid and quick lime
- C.Copper sulphate and washing soda
- D.Calcium chloride and sodium hydroxide
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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.Complete the reaction: $$\mathrm{S} + 2\mathrm{H_2SO_4} \longrightarrow$$ (Conc.)
- A.$$\mathrm{SO_2} + \mathrm{H_2O}$$
- B.$$3\mathrm{SO_2} \uparrow + 2\mathrm{H_2O}$$
- C.$$\mathrm{SO_3} + \mathrm{H_2S}$$
- D.$$\mathrm{H_2S} + 2\mathrm{SO_3}$$
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4.Assertion : Sulphuric acid is used in the manufacture of fertilizers. Reason : Sulphuric acid is a source of sulfate ions, which are essential for plant growth. (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 dilute sulphuric acid reacts with iron sulphide, the gas evolved is
- A.Hydrogen sulphide
- B.Sulphur dioxide
- C.Sulphur trioxide
- D.Vapour of sulphuric acid
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