Shortages (in the technical sense) may be caused by: 1  Price ceilings, a type of price control which involves a government-imposed limit on the price of a product service. 2  Anti-price gouging laws. 3  Government ban on the sale of a product or service, such as prostitution or certain recreational drugs.
Noun. 1. addition reaction-a chemical reaction in which one molecule is added to another. chemical reaction, reaction - (chemistry) a process in which one or more substances are changed into others; there was a chemical reaction of the lime with the ground water. 1  Facebook. 2  Twitter.
there are 2 prevalent forms of polymer reactions.. the 1st is an addition reaction, the place relatively 2 monomers bond mutually and type a polymer, its unique with the reality that not one of the monomer is lost interior the reaction, the 2d, is a condensation reaction, the place the between the monomers OH communities takes an H from the different monomer and breaks off , forming a H2O molecule. then the two monomers can bind like addition. relatively a condensation reaction is ...