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: NH₃ + HCl → ______
- A.NH₄
- B.NH₄Cl
- C.NH₃Cl
- D.NCl + H₃
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2.Aqua regia is mixture of
- A.dil. hydrochloric acid and dil. nitric acid
- B.conc. HCl (1 part) and conc. nitric acid (3 parts)
- C.dil. hydrochloric acid and conc. nitric acid
- D.conc. hydrochloric acid (3 parts) and conc. nitric acid (1 part)
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3.A compound which on reaction with HCl leaves a yellow residue behind.
- A.AgCl
- B.Na₂S₂O₃
- C.Conc. H₂SO₄
- D.MnO₂
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4.Dry hydrogen chloride gas is said to be acidic in nature. Which of the following statements correctly describes its acidic behavior?
- A.It is acidic because it dissociates into H+ and Cl- ions in the absence of water.
- B.It exhibits acidic properties only when dissolved in water.
- C.It is acidic in its dry state due to the presence of hydrogen atoms.
- D.It turns blue litmus red even in the absence of moisture.
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5.Which gas is evolved when HCl react with zinc sulphide?
- A.H₂
- B.H₂S
- C.SO₂
- D.CO₂
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