CLASSIFYING AND ENDO EXO TEST

Classify
Zn + H₂S → ZnS + H₂

• synthesis

• combustion

• single replacement

• double replacement

Classify
CH₄ + O₂ → CO₂ + H₂O 

• single replacement

• double replacement

• synthesis

• combustion

Classify
FeS + HCl → H₂S + FeCl₂

• synthesis

• combustion

• single replacement

• double replacement

Classify
Fe + O₂ → Fe₂O₃

• synthesis

• decomposition

• double replacement 

• single replacement

Pb(NO₃)₂  +  KI --> PbI₂ + KNO₃
What type of reaction is this? 

• Synthesis 

• Decomposition 

• Single Replacement

• Double Replacement 

__Na  +  O₂ ----->  __Na₂O
Type of reaction? 
Balance it too. :)

• Synthesis, 2Na /  4Na₂O

• Decomposition, 4Na /  2Na₂O

• Synthesis, 4Na /  2Na₂O

• Decomposition, 2Na /  4Na₂O

What type of reaction is this?  
__H₂O₂ ---->  __H₂O + O₂

• Synthesis

• Decomposition 

• Single Replacement

• Combustion 

2HI --> H₂ + I₂

• synthesis

• decomposition

• single replacement

• double replacement

Mg + HCl --> MgCl₂ + H₂

• combustion

• synthesis

• decomposition

• single replacement

Mg + N₂ →Mg₃N₂

• Synthesis

• Decomposition

• Single replacement

• Combustion