Chemical Reactions Quizzes, Questions & Answers
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Explore the fascinating world of chemical reactions with this engaging quiz. Assess your understanding of energy changes, reaction rates, and real-life applications, from cooking to rust formation. Perfect for learners eager to...
Questions: 9 | Attempts: 14 | Last updated: Jan 23, 2026
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Sample Question 1What is a chemical change?
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Sample Question 2Which of the following is an example of a chemical reaction that absorbs energy?
Test your understanding of chemical reactions with this engaging quiz. Assess key concepts such as the law of conservation of mass, types of reactions, and the role of catalysts. Perfect for learners looking to deepen their...
Questions: 10 | Attempts: 10 | Last updated: Jan 22, 2026
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Sample Question 1Which statement best supports the law of conservation of mass? a. mass increases when heat is added b. mass is lost when gas escapes c. atoms are rearranged, not created or destroyed d. products always weigh more
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Sample Question 2Which change is chemical and irreversible? a. melting ice b. crushing a can c. burning magnesium d. boiling water
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