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.Which of the following represents the balanced chemical equation for the reaction between Manganese(IV) oxide and concentrated Hydrochloric acid?
- A.MnO₂ + 4HCl (Conc.) → MnCl₂ + Cl₂ + 2H₂O
- B.MnO₂ + 2HCl (Conc.) → MnCl₂ + Cl₂ + H₂O
- C.MnO₂ + 4HCl (Conc.) → MnCl₄ + 2H₂O
- D.MnO₂ + HCl (Conc.) → MnCl₂ + Cl₂ + H₂O
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2.Name the gas evolved (formula not acceptable) by the action of concentrated sulphuric acid on sodium chloride.
- A.Chlorine gas
- B.Hydrogen chloride gas
- C.Sulphur dioxide gas
- D.Hydrogen gas
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3.Name an element which reacts with hydrogen to form a compound that is strongly acidic in water.
- A.Sodium
- B.Chlorine
- C.Oxygen
- D.Nitrogen
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4.Which of the following experiments demonstrates the extreme solubility of hydrogen chloride gas in water?
- A.Flame test
- B.Fountain experiment
- C.Electrolysis
- D.Distillation
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5.A constant boiling mixture which boils without any change in composition.
- A.Aqua Regia
- B.Heterogeneous reaction
- C.Azeotrope
- D.Homogeneous reaction
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