4.5.2 Non-metals in Industry and Medicine

Last updated at July 13, 2026 by

What are Non-metals in Industry and Medicine?

They are non-metal elements used to make products and treat diseases in daily life .

Key Facts and Examples
  • Chlorine is used for water purification in swimming pools .
Example: Public water supply uses chlorine to kill harmful bacteria
  • Iodine solution is applied on wounds as an antiseptic .
Example: Doctor puts brown iodine liquid on cuts to prevent infection
  • Nitrogen is used in manufacturing fertilisers for agriculture .
Example: Urea fertiliser contains nitrogen to help crops grow faster
  • Non-metals are cheaper and safer than many metals .
Example: Plastic containers are lighter and don't rust like iron
Non-metals Uses Medical Uses Industrial Uses Iodine - wound treatment Chlorine - water cleaning Oxygen - breathing support Nitrogen - fertiliser making Carbon - medicine tablets Sulphur - rubber production
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