Match the reaction to the type that best describes it


Asked by maham237 @ in Chemistry viewed by 311 People


A. 2Na2O 4Na + O2 Combination
B. 3Mg + 2AlCl3 2Al + 3MgCl2 Single replacement
C. NaCl + KBr NaBr + KCl Decomposition
D. 2H2 + O2 2H2O Double replacement

Answered by maham237 @



Decomposition 2Na2O ----> 4Na + O2 - One element breaks into two

Double replacement NaCl + KBr ----> NaBr + KCl - Two elements are replaced

Single replacement 3Mg + 2AlCl3 ----> 2Al + 3MgCl2 - One Element is replace

Combination 2H2 + O2 ----> 2H2O - Two elements join to form one

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