- 6 - 10. Write TRUE if the statement is correct and FALSE if incorrect, and change the underlined word/s to make the statement correct. 2 points each. reaction. ______6. Generally, the higher the concentration of the reacting substances, the faster is the ______7. At lower temperature, chemical reactions occur at slower rates. ______8. The bigger the surface area of the reactants, the faster the rate of reaction. activation energy. ______9. Catalysts increase the rate of reaction by providing a reaction pathway with a higher ______10. The minimum energy required to start a reaction is called bond energy.