Arizona State Board Nail Technology Practice Exam

What type of reaction occurs during the polymerization process?

1. Exothermic reaction

2. Endothermic reaction

3. Photochemical reaction

4. Electrochemical reaction

The correct answer is: Exothermic reaction

During the polymerization process, an exothermic reaction occurs, which is characterized by the release of energy, often in the form of heat. This is particularly relevant in the context of nail technology, where various products such as gel polishes and acrylics rely on polymerization to achieve their final hardened states. When monomers combine to form polymers, covalent bonds are formed, and the energy that was previously stored in the chemical bonds of the reactants is released. This release of energy is what makes the process exothermic. Understanding this is critical for nail technicians because it can influence the curing process of the products they use; managing heat generation is important to avoid damage to the natural nail or surrounding skin. The other types of reactions listed are significant in different contexts but do not describe the polymerization process accurately. Endothermic reactions absorb energy rather than releasing it, photochemical reactions involve light energy, and electrochemical reactions pertain to electricity and chemical changes, none of which align with the exothermic nature of polymerization in nail technology.