ICSE Class 10 Ammonia (NH3) — Mock Test (2027)
Free online mock test for Ammonia (NH3) (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 Ammonia (NH3) 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.Write the balanced chemical equation for the reaction between aluminium nitride and water:
- A.AlN + 3H₂O → Al(OH)₃ + NH₃
- B.AlN + H₂O → Al₂O₃ + NH₃
- C.AlN + 3H₂O → AlO₃ + NH₄OH
- D.2AlN + 3H₂O → Al₂O₃ + 2NH₃
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2.Which of the following represents the balanced chemical equation for the reaction when moist ammonia is passed over phosphorus pentoxide (P₂O₅)?
- A.NH₃ + P₂O₅ → (NH₄)₃PO₄
- B.6NH₃ + P₂O₅ + 3H₂O → 2(NH₄)₃PO₄
- C.2NH₃ + P₂O₅ → 2NH₄PO₃ + H₂O
- D.4NH₃ + P₂O₅ → (NH₄)₂HPO₄ + NH₄OH
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3.Complete and balance the following chemical equation: $\mathrm{PbO} + \mathrm{NH_3} \longrightarrow \longrightarrow + \longrightarrow + \mathrm{H_2O}$
- A.$3 \mathrm{PbO} + 2 \mathrm{NH_3} \longrightarrow 3 \mathrm{Pb} + \mathrm{N_2} + 3 \mathrm{H_2O}$
- B.$\mathrm{PbO} + \mathrm{NH_3} \longrightarrow \mathrm{Pb} + \mathrm{N_2} + \mathrm{H_2O}$
- C.$2 \mathrm{PbO} + 3 \mathrm{NH_3} \longrightarrow 2 \mathrm{Pb} + \mathrm{N_2} + 3 \mathrm{H_2O}$
- D.$\mathrm{PbO} + 2 \mathrm{NH_3} \longrightarrow \mathrm{Pb} + \mathrm{NH_4} + \mathrm{H_2O}$
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4.What happens when chlorine is in excess during its reaction with ammonia? Select the correct products and the balanced equation from the options below.
- A.Ammonia reacts to form nitrogen gas (N₂) and hydrogen chloride (HCl): NH₃ + 3Cl₂ → N₂ + 3HCl
- B.Ammonia reacts to form hydrogen chloride (HCl) and nitrogen trichloride (NCl₃), a yellow explosive liquid: NH₃ + 3Cl₂ → 3HCl + NCl₃
- C.Ammonia reacts to form ammonium chloride (NH₄Cl) and chlorine gas (Cl₂): NH₃ + Cl₂ → NH₄Cl + Cl₂
- D.Ammonia reacts to form nitrogen dioxide (NO₂) and hydrogen chloride (HCl): NH₃ + 4Cl₂ → NO₂ + 5HCl
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5.Complete and balance the following chemical equation: $\mathrm{NH_3} + \mathrm{H_2SO_4} \rightarrow$
- A.$2 \mathrm{NH_3} + \mathrm{H_2SO_4} \rightarrow (\mathrm{NH_4})_2\mathrm{SO_4}$
- B.$\mathrm{NH_3} + \mathrm{H_2SO_4} \rightarrow \mathrm{NH_4HSO_4}$
- C.$2 \mathrm{NH_3} + 2 \mathrm{H_2SO_4} \rightarrow 2 (\mathrm{NH_4})\mathrm{SO_4} + \mathrm{H_2}$
- D.$\mathrm{NH_3} + \mathrm{H_2SO_4} \rightarrow \mathrm{NH_2SO_3} + \mathrm{H_2O}$
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