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In autocatalytic reactions ?
  • (A)  One of the reactants acts as a catalyst
  • (B)  One of the products acts as a catalyst
  • (C)  Catalysts have very high selectivity
  • (D)  No catalyst is used
The energy of activation of a chemical reaction ?
  • (A)  Is same as heat of reaction at constant pressure
  • (B)  Is the minimum energy which the molecules must have before the reaction can take place
  • (C)  Varies as fifth power of the temperature
  • (D)  Both