CBSE · Class 10 · Science · Chapter 3

Metals and Non-metals

Understand the physical and chemical properties of metals and non-metals, their reactions, extraction and uses.

13 lessons 50 min
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Lessons in this chapter

  1. 1Physical PropertiesMetals show off with shine, strength, wires, sheets and the occasional ringing bell.
  2. 2Non-metals And Exceptions To Physical PropertiesThe rules look simple until mercury, iodine, graphite and friends start breaking them.
  3. 3Chemical Properties Of Metals: Reaction With OxygenMetals meet oxygen, and their oxides reveal just how reactive they really are.
  4. 4What Happens When Metals React With Water?Some metals explode into action with cold water while others demand steam or refuse entirely.
  5. 5What Happens When Metals React With Acids?Acids release hydrogen with reactive metals, except when nitric acid decides to complicate things.
  6. 6How Do Metals React With Solutions Of Other Metal Salts?The reactivity series turns metal displacement into a predictable hierarchy instead of a guessing game.
  7. 7How Do Metals And Non-metals React?Metals give away electrons, non-metals accept them, and ionic compounds are born from the attraction.
  8. 8Properties Of Ionic CompoundsIonic compounds stay rigid as solids but become electrically useful once their ions can move.
  9. 9Occurrence Of Metals And Extraction Of MetalsBefore a metal becomes useful, it has to be found, separated from gangue and matched with the right extraction route.
  10. 10Extracting Metals From OresRoasting, calcination, reduction and electrolysis form the extraction toolkit chosen by reactivity.
  11. 11Refining Of MetalsImpure metal enters at the anode and cleaner metal quietly builds up at the cathode.
  12. 12Corrosion And Prevention Of CorrosionRust, green copper and black silver show why metals need coatings, alloys and a little protection.
  13. 13Chapter Summary and PracticeEvery property, reaction and extraction method returns for one final metal-powered review.
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