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 distinguishes calcination from roasting in metallurgy?
- A.Roasting heats ore in the absence of air; calcination heats ore in the presence of air.
- B.Roasting is used for carbonate ores and releases CO₂; calcination is used for sulphide ores and releases SO₂.
- C.Roasting heats ore in the presence of air and is used for sulphide ores; calcination heats ore in the absence of air and is used for carbonate ores.
- D.Roasting removes only volatile impurities; calcination removes only moisture and organic impurities.
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2.A chemical plant is extracting aluminum from aluminum oxide (Al₂O₃) using the Hall-Héroult process. (i) Calculate the number of moles of Al₂O₃ required to produce 108 grams of aluminum. (ii) Determine the total charge (in coulombs) required for the electrolysis process. (iii) Calculate the total energy consumption (in kWh) if the voltage applied is 5 V. (iv) Determine the cost of electricity for the process.
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3.In thermite welding, which substance acts as the reducing agent?
- A.Iron oxide
- B.Aluminium
- C.Magnesium
- D.Carbon
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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.The two main metals in Bronze are:
- A.Copper and zinc
- B.Copper and lead
- C.Copper and nickel
- D.Copper and tin
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