ICSE Class 10

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

  1. 1.Which of the following is used as a solvent for noble metals such as gold and platinum?
    • A.Aqua regia
    • B.Concentrated hydrochloric acid
    • C.Concentrated nitric acid
    • D.Dilute sulphuric acid
  2. 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
  3. 3.Assertion: Dry hydrogen chloride gas has no effect on litmus paper. Reason: Hydrogen chloride gas is a strong acid. Which of the following is correct regarding the assertion and reason?
    • A.Both assertion and reason are true, and the reason is the correct explanation.
    • B.Both assertion and reason are true, but the reason is not the correct explanation.
    • C.The assertion is true, but the reason is false.
    • D.The assertion is false, but the reason is true.
  4. 4.Which drying agent is used in the process of drying hydrogen chloride gas?
    • A.Anhydrous calcium chloride
    • B.Concentrated sulphuric acid
    • C.Phosphorus pentoxide
    • D.Quicklime (calcium oxide)
  5. 5.The acid which cannot act as an oxidizing agent is
    • A.conc. HCl
    • B.conc. HNO₃
    • C.conc. H₂SO₄
    • D.none of the above

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