Chemistry Practice MCQ Page 51

Multiple Choice questions for Chemistry in the sets of 10 each on one page with questions and answers. All sets are useful in the preparation of subject tests for employment or admission.
Question: 3392   generally rise of 10°C of the temperature of a reaction system, the reaction rate
  1. increases
  2. doubles
  3. subsides
  4. drops
Question: 3393   The minimum amount of energy in addition to the average energy, which is just sufficient to convert reactants to products, is called
  1. internal energy
  2. dissipation energy
  3. enthalpy
  4. activation energy