Problemas de Química (Test) is an Android application developed by Germán Fernández that offers a collection of general chemistry problems proposed in recent years in the Chemistry Olympiads. The application covers four main topics, including Atomic Theory, Periodic Properties, Stoichiometry, and Chemical Bonding. This app is ideal for chemistry enthusiasts, students, and professionals who want to test their knowledge and skills in chemistry problem-solving.

The interface of the application is user-friendly and simple. The app is free to use and does not require any registration or subscription. The problems are challenging and well-organized according to their topics. The app is a great resource for chemistry students who want to prepare for their exams or improve their problem-solving skills. Overall, Problemas de Química (Test) is a helpful tool for anyone interested in chemistry problem-solving.