Answers

2015-07-27T20:44:09+08:00
In a redox reaction,there is a change in the oxidation state of two or more reacting species wherereas there is no change in oxidation state of any species in a non-redox reaction 
  for example: redox H2+F2-2 HF
 Here H and F changes from zero O.S. to+1 and -1 respectively.
  Non-redox: FeSO4+CaS-> CaSO4+FeS 
   
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