Reactions in solution When observed independently, which of the following are indications that a chemical reaction has occurred?Select all that apply.Temperature changeFormation of a precipitateChange in odor Classify each compound as water soluble or water insoluble.K2SO4AgNO3FeCl3Cu(OH)2 Select the net ionic equation for the reaction that occurs when sodium hydroxide and nickel(II) nitrate are mixed. Select […]