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.Complete and balance the following equation: Cu + dil. HNO₃ → ?
- A.Cu + 4HNO₃ → Cu(NO₃)₂ + 2NO₂ + 2H₂O
- B.3Cu + 8HNO₃ → 3Cu(NO₃)₂ + 2NO + 4H₂O
- C.Cu + 2HNO₃ → CuO + 2NO + H₂O
- D.2Cu + 6HNO₃ → 2CuNO₃ + 3NO₂ + 3H₂O
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2.Diammonium hydrogen phosphate, (NH₄)₂HPO₄, is a widely used fertiliser. Which of the following substance could be added to this compound to produce a mixture that provides the three principle elements needed for plant growth?
- A.Magnesium nitrate
- B.Ammonium sulphate
- C.Ammonium phosphate
- D.Potassium chloride
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3.Which of the following represents the balanced chemical equation for the reaction of potassium nitrate with sulfuric acid below 200°C?
- A.KNO₃ + H₂SO₄ → K₂SO₄ + HNO₃
- B.2KNO₃ + H₂SO₄ → K₂SO₄ + 2HNO₃
- C.KNO₃ + H₂SO₄ → KHSO₄ + HNO₃
- D.KNO₃ + 2H₂SO₄ → KHSO₄ + H₂O + NO₂
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4.What do you observe when nitric acid is kept in a reagent bottle for a long time?
- A.It turns yellow in colour.
- B.It turns brown in colour.
- C.It forms a white precipitate.
- D.It remains colourless and clear.
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5.Why should the apparatus for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate be all glass?
- A.Glass is cheaper and easier to shape.
- B.Nitric acid vapors are corrosive to rubber and cork.
- C.Glass prevents the escape of heat during the reaction.
- D.Glass reacts with the acid to form a protective layer.
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