Chemical Formulas Quiz is a free Android application developed by Marijn Dillen, which is designed to help students learn the chemical formulas of the most important inorganic and organic substances and ions taught in secondary education. With this app, you can easily learn the systematic name, trivial name, or both of these substances by taking multiple-choice quizzes.

The app offers a user-friendly interface that is easy to navigate. It provides a wide range of chemical formulas, including those of organic and inorganic substances and ions. The app also allows you to choose the type of quiz you want to take, whether you want to focus on learning the systematic name, the trivial name, or both.

Chemical Formulas Quiz is an excellent tool for students who want to improve their knowledge of chemical formulas. It is a great way to review what you have learned in class, and it can also help you prepare for tests and exams. With this app, you can quickly and easily learn the chemical formulas of the most important substances and ions taught in high school.