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 two aqueous solutions give a white precipitate when reacted with dilute hydrochloric acid?
- A.Lead nitrate solution and Silver nitrate solution
- B.Copper sulphate solution and Zinc sulphate solution
- C.Sodium chloride solution and Potassium chloride solution
- D.Barium chloride solution and Calcium chloride solution
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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.Dry hydrogen chloride gas is collected by the upward displacement of air. Which of the following correctly explains this method of collection?
- A.Hydrogen chloride gas is lighter than air.
- B.Hydrogen chloride gas is highly soluble in water.
- C.Hydrogen chloride gas is heavier than air.
- D.Hydrogen chloride gas is non-polar and insoluble in water.
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4.Give reasons: Why cannot hydrogen chloride gas be dried over quick lime?
- A.Hydrogen chloride gas reacts with quick lime to form calcium chloride and water.
- B.Quick lime absorbs hydrogen chloride gas without any chemical reaction.
- C.Hydrogen chloride gas decomposes quick lime into its constituent elements.
- D.Quick lime is too porous and physically traps hydrogen chloride gas.
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5.What gas is obtained when rock salt reacts with concentrated sulphuric acid?
- A.Hydrogen gas
- B.Chlorine gas
- C.Hydrogen chloride gas
- D.Sulphur dioxide gas
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