Final answer:
A risk phrase, also known as a hazard statement, is a standardized statement that describes the nature and degree of a chemical hazard. One example of a risk phrase is "highly flammable."
Step-by-step explanation:
A risk phrase, also known as a hazard statement, is a standardized statement that describes the nature and degree of a chemical hazard. It is used to communicate the potential risks associated with a particular chemical or product. One example of a risk phrase is "highly flammable." This phrase indicates that the substance has a high risk of catching fire and should be handled with caution.