American Chemical Society (ACS) Laboratory Safety Test 2025 – 400 Free Practice Questions to Pass the Exam

Handling chemicals in a laboratory setting can present a variety of hazards, and one of the most significant is the potential for explosive reactions. This type of hazard arises from certain chemical properties, such as instability, reactivity, or the formation of hazardous gases when chemicals are mixed or exposed to specific conditions, like heat or pressure. Understanding and identifying the risk of explosive reactions is critical to implementing safety measures to prevent accidents, including proper storage, labeling, and the use of personal protective equipment.

In this context, the other options do not directly relate to chemical hazards. Excessive noise is typically associated with equipment or machinery rather than chemical reactions. Projected images do not pose a physical hazard related to chemical handling. Cooling effects may occur in specific chemical processes but are not considered a common chemical hazard in general lab practices. Thus, explosive reactions pose a clear and tangible threat that necessitates careful handling and awareness in a laboratory environment.