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Our latest release
History of Life
Test and evaluate your knowledge about chemical transformations, reaction rates and equilibrium of a chemical system.
The evaluation at the end of the questionnaire reflects the number of responses and the time taken to perform the test.
Click on the correct response, then click the 'next image' button
Test your knowledge about the factors that influence the rate of a chemical reaction.
Enroll your school to take advantage of the sharing options. Once registered, the links below will include activation codes.
