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.(ii) When sodium bicarbonate reacts with hydrochloric acid, which of the following sets of products is formed?
- A.Sodium chloride, water, and carbon dioxide
- B.Sodium chloride and hydrogen gas
- C.Sodium hydroxide, water, and carbon dioxide
- D.Sodium chloride, water, and hydrogen carbonate
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2.Complete and balance the following chemical equation: Mg + HCl → ______ + ______
- A.MgCl + H₂
- B.MgCl₂ + H₂
- C.MgH₂ + Cl₂
- D.Mg + HCl₂
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3.State the composition of aqua regia and identify which component acts as the oxidising agent in it.
- A.3 parts concentrated HCl and 1 part concentrated HNO₃; HCl is the oxidising agent.
- B.3 parts concentrated HCl and 1 part concentrated HNO₃; HNO₃ is the oxidising agent.
- C.1 part concentrated HCl and 3 parts concentrated HNO₃; HNO₃ is the oxidising agent.
- D.Equal parts concentrated HCl and H₂SO₄; H₂SO₄ is the oxidising agent.
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4.………… combines with unreactive metals like gold, platinum.
- A.Nascent Oxygen [O]
- B.Nascent Iodine [I]
- C.Nascent Nitrogen [O]
- D.Nascent Chlorine [Cl]
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5.Complete and balance the following chemical equation: NH₃ + HCl → ______
- A.NH₄
- B.NH₄Cl
- C.NH₃Cl
- D.NCl + H₃
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