7.2 Reactions Practice

What type of reaction involves the breaking down of a substance into simpler substances?

• single replacement

• synthesis

• double replacement

• decomposition

• combustion

What type of reaction involves substances combining to form a new compound?

• single replacement

• synthesis

• double replacement

• decomposition

• combustion

Identify the type of reaction:

Ca + MgCl₂ ---> CaCl₂ + Mg

• single replacement

• synthesis

• double replacement

• decomposition

• combustion

Identify the type of reaction:

KOH + H₃PO₄ ---> K₃PO₄ + H₂O

• single replacement

• synthesis

• double replacement

• decomposition

• combustion

Identify the type of reaction:

CH₄ + O₂ ---> CO₂ + H₂O

• single replacement

• synthesis

• double replacement

• decomposition

• combustion

Identify the type of reaction:

KI + Pb(NO₃)₂ ---> PbI₂ + KNO₃

• single replacement

• synthesis

• double replacement

• decomposition

• combustion

Identify the type of reaction:

Fe + O₂ ---> Fe₂O₃

• single replacement

• synthesis

• double replacement

• decomposition

• combustion

Identify the type of reaction:

Cu + AgNO₃ ---> Cu(NO₃)₂ + Ag

• single replacement

• synthesis

• double replacement

• decomposition

• combustion

Identify the type of reaction:

C₃H₈ +O₂ ---> CO₂ + H₂O

• single replacement

• synthesis

• double replacement

• decomposition

• combustion

Identify the type of reaction:

Pb(NO₃)₂ ---> PbO + NO₂ + O₂

• single replacement

• synthesis

• double replacement

• decomposition

• combustion