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.Which of the following correctly represents the equations for the reaction of aluminium with dilute and concentrated sulphuric acid?
- A.Dilute: 2Al + 3H₂SO₄ → Al₂(SO₄)₃ + 3H₂; Concentrated: 2Al + 6H₂SO₄ → Al₂(SO₄)₃ + 6H₂O + 3SO₂
- B.Dilute: 2Al + 3H₂SO₄ → Al₂(SO₄)₃ + 3H₂O; Concentrated: 2Al + 3H₂SO₄ → Al₂(SO₄)₃ + 3SO₂
- C.Dilute: Al + H₂SO₄ → AlSO₄ + H₂; Concentrated: 2Al + 3H₂SO₄ → Al₂(SO₄)₃ + 3H₂
- D.Dilute: 2Al + 3H₂SO₄ → Al₂(SO₄)₃ + 3SO₂; Concentrated: 2Al + 6H₂SO₄ → Al₂(SO₄)₃ + 6H₂O + 3H₂
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2.Which property of cast iron makes it unsuitable for the construction of bridges?
- A.High ductility
- B.Hardness and brittleness
- C.Low melting point
- D.High malleability
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3.Match the properties and uses of alloys in List 1 with the appropriate answer from List 2.
List 1 List 2 1. The alloy contains Cu and Zn, is hard, silvery and is used in decorative articles. A. Duralumin 2. It is stronger than Aluminium, light and is used in making light tools. B. Brass 3. It is lustrous, hard, corrosion resistant and used in surgical instruments. C. Bronze 4. Tin lowers the melting point of the alloy and is used for soldering purpose. D. Stainless steel 5. The alloy is hard, brittle, takes up polish and is used for making statues. E. Solder -
4.Iron reacts with steam to form Magnetic oxide of Iron and Hydrogen. Which of the following is the balanced chemical equation for this reaction?
- A.Fe + H₂O → Fe₃O₄ + H₂
- B.3 Fe + 4 H₂O → Fe₃O₄ + 4 H₂
- C.2 Fe + 3 H₂O → Fe₂O₃ + 3 H₂
- D.Fe + 2 H₂O → FeO₂ + 2 H₂
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5.Which of the following represents the balanced chemical equation for the reaction of caustic alkali with bauxite ore during the purification of bauxite?
- A.Al₂O₃ + 2 NaOH → 2 NaAlO₂ + H₂O
- B.Al₂O₃·2H₂O + 2 NaOH → 2 NaAlO₂ + 3 H₂O
- C.Al₂O₃ + NaOH → NaAlO₂ + H₂O
- D.Al₂O₃·2H₂O + NaOH → NaAlO₂ + 2 H₂O
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