Classifying Chemical Reactions - PreTest

The reactants are on the left side of the chemical equation.

• True
• False

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

2 RbNO₃ + BeF₂ → Be(NO₃)₂ + 2 RbF

• single displacement

• double displacment

• 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

Which of the following is the general formula for a decomposition reaction?

• A + B  → AB
• AB → A + B
• AB + C → AC + B
• AB + CD → AC + BD

2 AgNO₃ + Cu → Cu(NO₃)₂ + 2 Ag

• single displacement

• double displacement

• decomposition

• synthesis

A + BC →B + AC

• Single Replacement
• Decomposition
• Double Replacement
• Synthesis