ICSE Class 10

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

  1. 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
  2. 2.Why is ammonium nitrate not used in the preparation of ammonia in the laboratory?
    • A.It is highly explosive when heated.
    • B.It does not react with alkalis to produce ammonia.
    • C.It is too expensive for laboratory use.
    • D.It decomposes into nitrogen gas and water only.
  3. 3.Chemical which is used as drying agent for ammonia.
    • A.Sodium chloride
    • B.Magnesium pentaoxide
    • C.Calcium oxide
    • D.Calcium hydroxide
  4. 4.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
  5. 5.Assertion : Ammonia can act as a reducing agent. Reason : Ammonia reduces metal oxides to metals when heated. (a) Both assertion and reason are true and reason is the correct explanation of assertion. (b) Both assertion and reason are true, but reason is not the correct explanation of assertion. (c) Assertion is true, but reason is false. (d) Assertion is false, but reason is true.
    • A.Both assertion and reason are true and reason is the correct explanation of assertion.
    • B.Both assertion and reason are true, but reason is not the correct explanation of assertion.
    • C.Assertion is true, but reason is false.
    • D.Assertion is false, but reason is true.

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