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.Yellow colour of nitric acid is due to dissolved.
- a.NO₂
- b.NH₃
- c.O₂
- d.NO₃
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2.Which of the following represents the balanced chemical equation for the action of heat on sodium nitrate?
- A.NaNO₃ → NaNO₂ + O₂
- B.2NaNO₃ → 2NaNO₂ + O₂↑
- C.NaNO₃ → Na + NO₂ + O₂
- D.2NaNO₃ → Na₂O + 2NO₂ + O₂
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3.Which gas is evolved when HNO₃ react with sodium bicarbonate?
- A.CO₂
- B.SO₂
- C.H₂
- D.H₂S
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4.Aqua regia is a mixture of
- A.Dilute hydrochloric acid and concentrated nitric acid
- B.Concentrated hydrochloric acid and dilute nitric acid
- C.Concentrated hydrochloric acid [1 part] and concentrated nitric acid [3 parts]
- D.Concentrated hydrochloric acid [3 parts] and concentrated nitric acid [1 part]
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5.Which of the following represents the balanced equation for the oxidation of carbon with concentrated nitric acid (HNO₃)?
- A.C + HNO₃ → CO + NO + H₂O
- B.C + 4HNO₃ → CO₂ + 4NO₂ + 2H₂O
- C.C + 2HNO₃ → CO₂ + 2NO + H₂O
- D.C + HNO₃ → CO₂ + NO₂ + H₂
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