this equation represents a chemical reaction. 2h₂o (l) + 2na (s) → 2naoh (aq) + h₂ (g) classify the chemical…

this equation represents a chemical reaction. 2h₂o (l) + 2na (s) → 2naoh (aq) + h₂ (g) classify the chemical reaction. synthesis decomposition combustion single replacement double replacement

this equation represents a chemical reaction. 2h₂o (l) + 2na (s) → 2naoh (aq) + h₂ (g) classify the chemical reaction. synthesis decomposition combustion single replacement double replacement

Answer

Brief Explanations:

在该化学反应中,钠(Na)置换出了水中的氢(H),符合单置换反应(single - replacement reaction)的特征,即一种单质与一种化合物反应,生成另一种单质和另一种化合物。合成反应(synthesis)是多种物质生成一种物质;分解反应(decomposition)是一种物质生成多种物质;燃烧反应(combustion)通常是物质与氧气反应;双置换反应(double - replacement)是两种化合物交换成分。

Answer:

single replacement