R15.18

Resource Description

  • N.P.K. nutrients & functions for plants and animals
  • Sources of elements & nitrogen cycle
  • Industrial processes – fractional distillation of air, SASOL, Haber, Ostwald & Contact processes
  • Petrol production from coal, Fischer-Tropsch process, flow diagrams for chemical reactions
  • Nitric & sulphuric acid production
  • Excessive, detrimental use & application of fertilizers to lands
  • Excellent for classroom teaching and learning with a laptop & data projector & for use by learners on mobile phones

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