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Questions and Answers
Which statement best describes a chemical reaction?
Which statement best describes a chemical reaction?
- A process that changes the state of matter
- A process that changes the physical properties of a substance
- A process that changes the chemical properties of a substance (correct)
- A process that changes the temperature of a substance
What is the purpose of balancing a chemical equation?
What is the purpose of balancing a chemical equation?
- To ensure that the reactants and products are in the correct order
- To conserve mass and atoms in the reaction (correct)
- To indicate the temperature at which the reaction occurs
- To make the equation look neat and organized
What is a chemical equation?
What is a chemical equation?
- A representation of a chemical reaction using diagrams
- A representation of a chemical reaction using graphs
- A representation of a chemical reaction using words
- A representation of a chemical reaction using symbols and formulas (correct)
