ICSE Class 10 Hydrogen Chloride (HCl) — Mock Test (2027)
Free online mock test for Hydrogen Chloride (HCl) (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 Hydrogen Chloride (HCl) 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.Identify the gas that does not conduct electricity in the liquid state but conducts when dissolved in water.
- A.Hydrogen chloride
- B.Oxygen
- C.Nitrogen
- D.Carbon monoxide
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2.Which balanced equation represents the reaction of zinc with dilute hydrochloric acid?
- A.Zn + 2HCl(dil.) → ZnCl₂ + H₂↑
- B.Zn + HCl(dil.) → ZnCl + H₂↑
- C.Zn + 2HCl(dil.) → ZnH₂ + Cl₂↑
- D.Zn + HCl(dil.) → ZnO + H₂ + Cl₂
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3.What are the products formed when sodium chloride reacts with concentrated sulphuric acid?
- A.NaHSO₄ and HCl
- B.Na₂SO₄ and HCl
- C.Na₂SO₃ and Cl₂
- D.NaHSO₃ and H₂
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4.Assertion: Dry hydrogen chloride gas has no effect on litmus paper. Reason: Hydrogen chloride gas is a strong acid.
- 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.Hydrogen chloride gas is dried by using which of the following substances?
- A.Concentrated sulphuric acid
- B.Quick lime (calcium oxide)
- C.Anhydrous calcium chloride
- D.Phosphorus pentoxide
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