Test
Chemical reactions test
This 11th-grade test allows students to practice identifying signs of chemical reactions, classifying reaction types, and balancing equations through multiple-choice questions and problem-solving exercises. It emphasizes understanding reaction indicators and chemical equation principles.
By Edform · Chemistry · Grade 11 · Published Oct 15, 2026 · New
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Questions
- Which of the following is a sign that a chemical reaction has occurred?
- What type of reaction is represented by the equation: 2Na + Cl2 → 2NaCl?
- Which of the following are always true for a balanced chemical equation?
- A precipitate forming in a solution is evidence of a chemical reaction.
- What is the term for a reaction where one compound breaks down into two or more simpler substances?
- Balance the equation: _Al + _O2 → ___Al2O3. What is the coefficient in front of O2?
- Which of the following is a combustion reaction?
- Which of the following are products when hydrochloric acid reacts with sodium hydroxide?
- In a single replacement reaction, an element reacts with a compound and replaces an element in that compound.
- Name one sign that a chemical reaction has occurred (other than temperature change).
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