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.MnO₂, PbO₂ and red lead react with concentrated hydrochloric acid to liberate chlorine gas. What common property is being demonstrated by these metal oxides?
- A.Reducing property
- B.Oxidizing property
- C.Basic nature
- D.Amphoteric behavior
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2.What must be added to sodium chloride to obtain hydrogen chloride?
- A.Dil. sulphuric acid
- B.Conc. nitric acid
- C.Dil. nitric acid
- D.Conc. sulphuric acid
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3.Which reagent can distinguish between magnesium chloride and magnesium nitrate solutions, and what observation confirms the presence of chloride ions?
- A.Sodium hydroxide; formation of a white precipitate.
- B.Silver nitrate; formation of a curdy white precipitate of AgCl.
- C.Barium chloride; formation of a white precipitate.
- D.Dilute sulphuric acid; evolution of a gas.
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4.A student wants to distinguish between manganese dioxide and copper(II) oxide using a chemical test. Which of the following observations would correctly identify manganese dioxide?
- A.Formation of a greenish-blue solution with no gas evolution
- B.Production of a greenish-yellow gas (chlorine) on heating with concentrated HCl
- C.Appearance of a white precipitate soluble in ammonium hydroxide
- D.Evolution of hydrogen gas when reacted with dilute HCl
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5.Complete and balance the following chemical equation for the reaction between concentrated nitric acid and concentrated hydrochloric acid: HNO₃ + HCl →
- A.HNO₃ + HCl → NOCl + Cl₂ + H₂O
- B.HNO₃ + 3HCl → NOCl + 2[Cl] + 2H₂O
- C.HNO₃ + 2HCl → NO₂ + Cl₂ + H₂O
- D.HNO₃ + HCl → H₂ + NO₃Cl + O₂
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