What are the properties of Argon? 1.) Melting Point 2.) Boiling Point 3.)Color 4.)Odor 5.) State of Matter 6.) Classification of element *

When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.