ICSE Class 10 Metallurgy — Mock Test (2027)
Free online mock test for Metallurgy (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 Metallurgy 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.Copper which is found as Cu₂S in nature can be obtained from its ore by just heating in air. Which of the following sets of balanced chemical equations correctly represents the reactions involved in the extraction of copper from Cu₂S?
- A.1. Cu₂S + O₂ → Cu + SO₂ 2. Cu₂O + Cu₂S → Cu + SO₂
- B.1. 2Cu₂S + 3O₂ → 2Cu₂O + 2SO₂ 2. 2Cu₂O + Cu₂S → 6Cu + SO₂
- C.1. Cu₂S + O₂ → CuO + SO₂ 2. CuO + Cu₂S → Cu + SO₂
- D.1. 2Cu₂S + O₂ → 4Cu + 2SO₂ 2. Cu₂O + Cu₂S → 3Cu + SO₂
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2.The reason for using Aluminium in the alloy duralumin is:
- A.Aluminium is brittle.
- B.Aluminium gives strength.
- C.Aluminium brings lightness.
- D.Aluminium lowers melting point.
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3.Which of the following correctly represents the chemical formulae of one main ore of iron and aluminium?
- A.Iron: Fe₃O₄, Aluminium: Al₂O₃
- B.Iron: Fe₂O₃, Aluminium: Al₂O₃·2H₂O
- C.Iron: FeCO₃, Aluminium: Al(OH)₃
- D.Iron: FeS₂, Aluminium: AlCl₃
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4.From the list of characteristics given below, select the five which are relevant to non-metals and their compounds
- A.Ductile
- B.Conduct electricity
- C.Brittle
- D.Acidic oxides
- E.Basic oxides
- F.Discharged at anode
- G.Discharged at cathode
- H.Ionic chlorides
- I.Covalent chlorides
- J.Reaction with dilute sulphuric acid yields hydrogen
- K.1, 2 or 3 valence electrons
- L.5, 6, 7 valence electrons
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5.How are silver and gold obtained from their ionic solutions, and which of the following correctly represents the chemical equation for obtaining silver?
- A.By electrolysis of their molten salts; Ag⁺ + e⁻ → Ag.
- B.By displacement using a more electropositive metal like zinc; Zn + 2Ag⁺ → Zn²⁺ + 2Ag↓.
- C.By reduction with carbon; C + 2Ag⁺ → CO₂ + 2Ag.
- D.By precipitation with sodium chloride; Ag⁺ + Cl⁻ → AgCl↓.
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