Chapter 6 Vocabulary Review: Question Preview (ID: 29932)


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A reaction in which a single compound breaks down to form two or more simpler substances is called a(n) ______________________________.
a) decomposition reaction b) synthesis reaction c) single-displacement reaction d) double-displacement reaction
A(n) ______________________________ is a reaction in which a gas, a solid precipitate, or a molecular compound forms from the apparent exchange of atoms or ions between two compounds.
a) single-displacement reaction b) double-displacement reaction c) synthesis reaction d) decomposition reaction
A substance that forms in a chemical reaction is called a(n) _________________________.
a) enzyme b) reactant c) product d) catalyst
A(n) ______________________________ is a chemical reaction that requires heat.
a) endothermic reaction b) exothermic reaction c) chemical reaction d) chemical equation
A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products is called a(n) _________________________.
a) chemical reaction b) chemical energy c) chemical equation d) enzyme
_________________________ is the energy released when a chemical compound reacts to produce new compounds.
a) Chemical energy b) Chemical equation c) An enzyme d) A catalyst
A reaction in which one element or radical takes the place of another element or radical in a compound is called a(n) ______________________________.
a) combustion reaction b) synthesis reaction c) double-displacement reaction d) single-displacement reaction
A(n) _________________________ is a substance that changes the rate of a chemical reaction without being consumed or changed significantly.
a) catalyst b) enzyme c) chemical energy d) reactant
A(n) ______________________________ is a chemical reaction in which heat is released to the surroundings.
a) exothermic reaction b) endothermic reaction c) synthesis reaction d) decomposition reaction
A reaction in which two or more substances combine to form a new compound is called a(n) ______________________________.
a) synthesis reaction b) decomposition reaction c) single-displacement reaction d) double-displacement reaction
A substance or molecule that participates in a chemical reaction is called a(n) ______________________________.
a) enzyme b) product c) reactant d) chemical energy
A type of protein that speeds up metabolic reactions in plants and animals without being permanently changed or destroyed is called a(n) ______________________________.
a) enzyme b) radical c) catalyst d) protein
The oxidation reaction of an organic compound, in which heat is released is called ______________________________.
a) decomposition reaction b) synthesis reaction c) single-displacement reaction d) combustion reaction
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