Chemistry-
General
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Question

Correct statements from the graph

I) Above 1073K, capital delta G to the power of 0 end exponent for the formation of Fe2O3 is less negative than capital delta G to the power of 0 end exponent for the formation of CO from carbon
II) Above 1073K, Carbon can reduce Fe2O3
III) Below 1073K, CO can reduce Fe2O3
IV) In blast furnace, reduction of Fe2O3 occurs in different temperature ranges with below 1073K by CO (or) above 1073K by carbon

  1. Only I    
  2. I, II only    
  3. I, II, III Only    
  4. All    

The correct answer is: All

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