“四大基本反应类型”通常是指化合反应、分解反应、置换反应和复分解反应这4种最基本的化学反应类型.1“四大基本反应类型”与氧化还原反应的概念①化合反应:由2种或2种以上的反应物相互反 The four basic types of reactions usually refer to the four most basic types of chemical reactions, such as the reactions of compounding, decomposition, metathesis and metathesis.1 The concept of “four basic reaction types” and the redox reaction ① Chemical reaction: two or more than two reactants with each other