ICSE Class 10 Nitric Acid (HNO3) — Mock Test (2027)
Free online mock test for Nitric Acid (HNO3) (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 Nitric Acid (HNO3) 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.What is aqua regia, and which of the following correctly describes its composition and a common use?
- A.A mixture of 1 part concentrated nitric acid and 3 parts concentrated hydrochloric acid, used to dissolve noble metals like gold and platinum.
- B.A mixture of 3 parts concentrated nitric acid and 1 part concentrated hydrochloric acid, used as a laboratory cleaning agent.
- C.A solution of nitric acid and sulfuric acid, used to etch glass surfaces.
- D.A mixture of equal parts nitric acid and hydrochloric acid, used to neutralize alkaline solutions.
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2.When ammonium nitrate is heated, which pair of products is formed?
- A.Nitrogen and water
- B.Nitrous oxide and water (steam)
- C.Nitrogen dioxide and oxygen
- D.Ammonia and nitric acid
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3.Assertion: Nitric acid reacts with most metals to produce hydrogen gas. Reason: Nitric acid is a strong acid and reacts with metals to produce hydrogen gas. Which of the following is correct regarding the assertion and reason?
- 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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4.The table below relates to an important industrial process. Identify the missing details for the process that produces nitric acid from ammonia and air.
- A.Name: Haber process, Catalyst: Iron, Equation: N₂ + 3H₂ → 2NH₃
- B.Name: Ostwald's process, Catalyst: Platinum, Equation: 4NH₃ + 5O₂ → 4NO + 6H₂O
- C.Name: Contact process, Catalyst: Vanadium(V) oxide, Equation: 2SO₂ + O₂ → 2SO₃
- D.Name: Solvay process, Catalyst: None, Equation: NH₃ + CO₂ + H₂O → NH₄HCO₃
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5.Chloride formed when nitric acid and hydrochloric acid reacts together.
- A.Ammonium chloride
- B.Hydrochloric acid
- C.Nitrosyl Chloride
- D.Ammonia
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