Chemical Reactions Test Review

AB + CD →AD + CB

• Double Replacement
• Single Replacement
• Synthesis
• Decomposition

Identify this type of reaction,
Cl₂ + 2KI _-->  I₂ + 2KCl

• Synthesis
• Single displacement
• Double displacement
• Decomposition

2 C₅H₅ + Fe --> Fe(C₅H₅)₂ 

• single displacement
• double displacement
• decomposition
• synthesis

Which chemical reaction breaks down into 2 substances?

• Double displacement
• Single displacement
• Synthesis
• Decomposition

Which of the following is an example of synthesis?

• Na + Br₂ --> NaBr
• KClO₃ --> KCl + O₂
• HgO + Cl₂-->HgCl + O₂
• Cl₂ + NaBr --> NaCl + Br₂

2 AgNO₃ + Cu --> Cu(NO₃)₂ + 2 Ag 

• single displacement
• double displacement
• decomposition
• synthesis

What class of reaction best describes the equation below: FeS + HCl --> H₂S + FeCl₂

• synthesis

• combustion

• single replacement

• double replacement

Predict the products for the decomposition of aluminum oxide, Al₂O₃ →

• Al + O₂

• O + Al₂

• Al₂ + O₃

• Al + O

What type of reaction is illustrated here?

• single displacement

• double displacement

• synthesis

• decomposition

What type of chemical reaction doe this picture represent?

• Single replacement

• Double replacement

• Single displacement

• Both single displacement or single replacement as they mean the same thing