4. What's New
Modified True
or False
Directions: Write True if the statement is correct; if not, change the underlined word/s to
make the statement correct.
1. A precipitate
is a solid formed when substances react.
2. A catalyst slows down the rate of a chemical reaction.
3. A catalase is a common catalyst in the cells of living organisms.
4. The temperature decreases in an exothermic reaction.
5. An endothermic reaction requires more energy to break the bonds in the
reactants.
5. What Is It​