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 poisons the catalytic chamber?
- A.Nitrogen monoxide
- B.Impurities
- C.Platinum guaze
- D.Excess air
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2.Which gas is produced by the action of cold and dilute nitric acid on copper?
- A.Nitrogen dioxide
- B.Nitrogen monoxide
- C.Nitrous oxide
- D.Ammonia
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3.Concentrated nitric acid appears yellow when left for a while in a glass bottle. Which of the following best explains this observation?
- A.The acid absorbs impurities from the glass.
- B.Nitrogen dioxide (NO₂) forms due to decomposition in light.
- C.The acid reacts with atmospheric nitrogen.
- D.Oxygen in the bottle oxidizes the acid.
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4.Why is nitric acid kept in a reagent bottle for a long time?
- A.To prevent it from reacting with atmospheric nitrogen and forming harmful compounds.
- B.To slow down its decomposition into nitrogen dioxide, water, and oxygen caused by light exposure.
- C.To maintain its concentration by preventing evaporation of the acid over time.
- D.To avoid contamination from dust particles that could alter its chemical properties.
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5.(i) Nitric acid is manufactured by
- A.Contact process
- B.Ostwald's process
- C.Haber's process
- D.none of these
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