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.Complete and balance the following chemical equation: NaOH + HCl → ______ + ______
- A.NaCl + H₂O
- B.NaH + ClO
- C.NaCl + H₃O
- D.NaO + HCl
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2.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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3.Which method is used to collect hydrogen chloride gas?
- A.Downward displacement of water
- B.Upward displacement of water
- C.Upward displacement of air
- D.Downward displacement of air
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4.Assertion: Hydrogen chloride gas extinguishes a burning splinter. Reason: Hydrogen chloride gas is neither combustible nor a supporter of combustion. (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.Which balanced equation correctly represents the reaction of manganese(IV) oxide with concentrated hydrochloric acid?
- A.MnO₂ + 4HCl(conc.) → Δ MnCl₂ + 2H₂O + Cl₂
- B.MnO₂ + 2HCl(conc.) → Δ MnCl₂ + H₂O + Cl₂
- C.MnO₂ + 4HCl(conc.) → Δ MnCl₄ + 2H₂O
- D.MnO₂ + HCl(conc.) → Δ MnCl₂ + H₂O + O₂
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