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.An alkaline gas (A) produces dense white fumes when reacted with hydrogen chloride. Identify the gas.
- A.Carbon dioxide
- B.Ammonia
- C.Sulphur dioxide
- D.Nitrogen dioxide
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2.Complete and balance the following chemical equation for the Haber process: $\mathrm{N_2} + \mathrm{H_2} \xrightleftharpoons{450^\circ \mathrm{C}} \mathrm{Fe}$
- A.$\mathrm{N_2} + 3 \mathrm{H_2} \xrightleftharpoons{450^\circ \mathrm{C}} 2 \mathrm{NH_3}$
- B.$\mathrm{N_2} + \mathrm{H_2} \xrightleftharpoons{450^\circ \mathrm{C}} \mathrm{NH_3}$
- C.$2 \mathrm{N_2} + 3 \mathrm{H_2} \xrightleftharpoons{450^\circ \mathrm{C}} 2 \mathrm{NH_3}$
- D.$\mathrm{N_2} + 2 \mathrm{H_2} \xrightleftharpoons{450^\circ \mathrm{C}} \mathrm{NH_3} + \mathrm{H}$
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3.When an ammonium salt is warmed with sodium hydroxide solution, ammonia gas is evolved. Which of the following sets correctly identifies three ways to confirm the presence of this gas?
- A.Pungent smell, turns red litmus blue, forms dense white fumes with HCl
- B.Odorless, turns blue litmus red, produces bubbles with lime water
- C.Sweet smell, turns red litmus pink, forms yellow precipitate with HCl
- D.Sharp odor, turns blue litmus green, reacts with oxygen to form brown gas
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4.Copy and complete the following table relating to important industrial processes. For Haber's Process, which of the following correctly fills the missing entries for Inputs, Catalyst, Equation for catalysed reaction, and Output?
Name of process Inputs Catalyst Equation for catalysed reaction Output Haber's Process Hydrogen + ___ ___ ___ ___ - A.Nitrogen, Iron, N₂ + 3H₂ → 2NH₃, Ammonia
- B.Oxygen, Platinum, N₂ + O₂ → 2NO, Nitric oxide
- C.Chlorine, Nickel, H₂ + Cl₂ → 2HCl, Hydrogen chloride
- D.Nitrogen, Vanadium(V) oxide, 2SO₂ + O₂ → 2SO₃, Sulphur trioxide
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5.When ammonia is prepared from ammonium chloride, the sublimable component is ...
- A.Sodium Chloride (NaCl)
- B.Ammonia ($\mathrm{NH_4}$)
- C.Ammonium Chloride ($\mathrm{NH_4Cl}$)
- D.Sodium Hydride (NaH)
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