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.In the diagram of thermite welding (Goldschmidt's aluminothermic process) shown below, identify the labelled part where the highly exothermic reaction producing molten iron occurs.
- A.The ignition mixture of potassium chlorate and magnesium powder
- B.The thermit mixture of ferric oxide and aluminium powder
- C.The molten aluminium oxide formed as a by-product
- D.The gap between the broken iron pieces being welded
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2.Using the information provided in the table, complete the following:
(i) ... is the metallic element. (ii) Metal atoms tend to have a maximum of ... electrons in the outermost energy level. (iii) Non-metallic elements tend to form ... oxides while metals tend to form ... oxides. (iv) Non-metallic elements tend to be ... conductors of heat and electricity. (v) Metals tend to ... electrons and act as ... agents in their reactions with elements and compounds.X Y Normal electronic Configuration 2, 8, 7 2, 8, 2 Nature of oxide Dissolves in water and turns blue litmus red Very low solubility in water. Dissolves in hydrochloric acid Tendency for oxidising and reducing reactions Tends to oxidise elements and compounds Tends to act as a reducing agent Electrical and Thermal conductivity Very poor electrical conductor Poor thermal conductivity Good Electrical conductor Good thermal conductor Tendency to form alloys and amalgams No tendency to form alloys Forms alloys -
3.The main purpose of Roasting and Calcination is to convert
- A.ore into metal
- B.ore into oxide
- C.ore into metallic carbonate
- D.None of these
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4.In Baeyer's process for converting bauxite to alumina, which of the following represents the correct balanced chemical equation for the decomposition of aluminum hydroxide to alumina?
- A.2Al(OH)₃ → Al₂O₃ + 3H₂O at 1000°C
- B.Al(OH)₃ → Al₂O₃ + H₂O at 500°C
- C.2Al(OH)₃ → Al₂O + 3H₂O at 1000°C
- D.Al(OH)₃ → AlO + H₂O at 1000°C
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5.(ix) The solvent used during electrolytic reduction of pure alumina is
- A.molten cryolite
- B.solid cryolite
- C.molten fluorspar
- D.solid fluorspar
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