Metallurgy

Chemistry (Science Paper 2) · Chapter 8 · 7. Metallurgy

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Your path through this chapter

1
Visual lesson Beta
1. Part 1: From ore to metal15 slides
2. Part 2: Aluminium and alloys16 slides
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Notes Beta
7 sections with key terms, formulas and exam tips.
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Flashcards Beta
31 cards for quick recall of key terms and facts.
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Practice
64 board-style questions with instant checks: Short answer 22, Multiple choice 19, Assertion and reason 5, Long answer 5.
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Chapter test Free
Short and long chapter tests in board pattern, with results and analysis.
- Chapter test (long) — Metallurgy · 40 marks · 60 min
- Chapter test (short) — Metallurgy · 20 marks · 30 min
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Occurrence of metals: minerals and ores; common ores of iron, aluminium and zinc
Concentration (dressing) of ores: hydraulic washing, magnetic separation and froth flotation
Roasting and calcination: conversion of concentrated ore to oxide
Reduction of metal oxides by hydrogen, carbon and carbon monoxide; electrolytic reduction of active metals
Extraction of aluminium: purification of bauxite by Baeyer's process
Extraction of aluminium: Hall-Heroult electrolytic process
Alloys and amalgams: composition and uses of stainless steel, magnalium, duralumin, brass, bronze and solder