Identify which of the mixtures are buffers. Check all that apply. Check all that apply. KOH and NH3 HCHO2 and NaCHO2 HBr and NaCl HCl and HBr

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.