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chemical interaction

acid a substance that tastes sour, and reacts with metals and carbonates
catalyst a material that increases the rate of a reactions
chemical reaction the process in which substances undergo chemical changes
chemistry the study of the properties of matter and how matter changes
conservation of mass the principal stating that matter is not created or destroyed during a chemical reaction
decomposition a chemical reaction that breaks down compounds
indicator a compound that changes color in the present of an acid or base
pH scale the range of values used to express the concentration of hydrogen ions in a solution
precipitate a solid that forms from a solution during a chemical reaction
product a substance formed as a result of a chemical reation
reactant a substance that enters into a chemical reaction
synthesis a chemical reaction in which two or more simple substances combine to form a new, more complex substance