Paper I · 2 General Science & Technology · 2.2 Chemistry in everyday life

2.2.3 Metals, non-metals, alloys and corrosion

Metals are shiny, ductile, conducting elements that vary in reactivity; they are extracted from ores, mixed into alloys for better properties and lost to corrosion unless protected.

  • APPSC Paper I · Paper I
  • Standard level
  • 6 min read
  • Full course

Key terms

  • metals
  • reactivity series
  • ores
  • alloys
  • brass
  • bronze
  • steel
  • rusting
  • galvanisation
  • amalgam
  • Hall-Heroult

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. AP angleStandard
  5. Mains writingMains writing
  6. Common trapsFoundation
  7. Quick revisionFoundation

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