Apps by Marijn Dillen

Chemical Structures Quiz

PAID
Quickly learn the chemical structures of the most important organic and biochemical compounds, taught in secondary education (high school), by taking the multiple choice quizzes. Systematic name, trivial name (common name), or both are given....

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Chemical Symbols Quiz 1.38

FREE
Quickly learn or study the names and symbols of the chemical elements in the periodic table (Mendeleev) by taking the free multiple choice quizzes.Version History iOS 26 compatibility 1.38 12/01/2025 background processes updated 1.37 07/08/2025 minor...

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Chemical Formulas Quiz

FREE
Quickly learn the chemical formulas of the most important inorganic and organic substances and ions, taught in secondary education (high school), by taking the free multiple choice quizzes. Systematic name, trivial name (common name), or both are...

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Chemical Symbols Quiz

FREE
Quickly learn or study the names and symbols of the chemical elements in the periodic table by taking the free multiple choice quizzes.

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Chemical Formulas Quiz 1.42

FREE
Quickly learn the chemical formulas of the most important inorganic and organic substances and ions, taught in secondary education (high school), by taking the free multiple choice quizzes. Trivial name (common name), systematic name, or both are...

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