Labels: Army Regulation, Army Reserve, DD214, service, Soldier. I agree that there is a need for a reserve/guard version of a DD214. For my 27 years of Navy service, all I have is a letter transferring me to the Retired Reserve.
6 Main Types of Chemical Reactions. 1  synthesis reaction. 2  decomposition reaction. 3  single displacement reaction. 4  double displacement reaction. 5  combustion reaction. 6  acid-base reaction.
It is the result of a chemical reaction between iron and oxygen. Types of Chemical Reactions: Chemical changes are a result of chemical reactions. All chemical reactions involve a change in substances and a change in energy. Neither matter nor energy is created or destroyed in a chemical reaction---only changed.