1) two or more reactants form only one product a) Single Replacement b) product c) Synthesis Reaction d) reactants 2) One compound breaks down and forms two or more substances. a) Synthesis Reaction b) Decomposition Reaction c) reactants d) Law Conservation of Mass 3) one element replaces another element in a compound. a) Single Replacement b) Double Replacement c) Combustion Reaction d) Decomposition Reaction 4) Two compounds react and form two new compounds. Negative ions in two compounds switch places, forming two new compounds a) Double Replacement b) Law Conservation of Mass c) Synthesis Reaction d) product 5) Always contain oxygen (O2) as a reactant. Carbon dioxide (CO2) and water (H2O) as a product a) product b) reactants c) Law Conservation of Mass d) Combustion Reaction 6) substances produced at the end of the reaction a) Synthesis Reaction b) Single Replacement c) product d) Combustion Reaction 7) The substances that go into a chemical reaction a) reactants b) Law Conservation of Mass c) product d) Double Replacement 8) That in a chemical reaction, the mass of the products equals the mass of the reactants. matter cannot be created or destroyed, but it can change forms. a) Double Replacement b) Synthesis Reaction c) Law Conservation of Mass d) Single Replacement

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