ENERGETICS 1. All chemical reactions involve Catalysts Enzymes Energy changes All of these 2. Activation energy of a chemical reaction must be ____ the average kinetic energy of reacting molecules Lower than greater than equal to None of these 3. Which is not released in an aerobic respiration? Carbon dioxide Water Water Lactic acid 4. A catalyst increases the rate of a chemical reaction by increasing activation energy increasing the enthalpy of reaction Decreasing the enthalpy of reaction None of these 5. If the AH value is negative than reaction will be Exothermic Endothermic May or may not be Exothermic or Endothermic None of these Loading … Question 1 of 5 Related Questions: ATOMIC STRUCTURE Nature of Science in Chemistry MCQ PERIODIC TABLE AND PERIODICITY OF PROPERTIES Matter MCQ CHEMICAL BONDING STOICHIOMETERY ELECTOROCHEMISTRY
