Final answer:
A cleaning agent is an example of a chemical mixture used to remove dirt and stains from surfaces. It is specifically formulated with specific chemicals that have precise measurements to ensure the desired cleaning properties.
Step-by-step explanation:
A cleaning agent is an example of a chemical mixture, specifically a complex mixture. Cleaning agents are substances used to remove dirt and stains from surfaces. They are formulated with specific chemicals, each with its own purpose, and have precise measurements to ensure the cleaning agent has the desired properties. Some common examples of cleaning agents include soap, bleach, and alkaline cleaners.