quiz 2

Classify the following equation according to the four types of chemical reactions.

­­­1. NaOH + KNO₃ → NaNO₃ + KOH

• combination

• decomposition

• single displacement

• double displacement

P₄ + O₂ → P₂O₅

• combination

• decomposition

• single displacement

• double displacement

Fe + NaBr₃→ FeBr₃ + Na

• combination

• decomposition

• single displacement

• double displacement

CaSO₄ + Mg (OH)₂ → Ca (OH)₂ + MgSO₄

• double displacement

• single displacement

• decomposition

• cmbination

2NaNO₃ → 2NaNO₂ + O₂

• single displacement

• decomposition

• double displacement

• combination

Is a process in which one or more pure substances are converted into one or more different pure substance.