Types of Reactions/Balancing

Which type of chemical reaction has two or more reactants to make one product?

• combustion

• single displacement

• double displacement

• synthesis

• decomposition

Identify the following chemical reaction.

2 NaBr + 1 Ca(OH)₂ ----> 1 CaBr₂ + 2 NaOH

• Synthesis (or combination)

• Decomposition

• Single displacement

• Double displacement

Identify the following chemical reaction.

Pb + FeSO₄ ----> PbSO₄ + Fe

• Synthesis (or combination)

• Decomposition

• Single displacement

• Double displacement

What reaction has the following general formula:

AB --> A + B

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

What reaction has the following general formula:

A + CD --> C + AD

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

What reaction has the following general formula:

AB + CD --> CB + AD

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

What reaction has the following general formula:

A + B --> AB

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Which chemical reaction always starts with a hydrocarbon that reacts with oxygen and produces carbon dioxide and water?

• Decomposition

• Synthesis

• Combustion

• Single Replacement

Fill in the blanks with coefficient:

PCl₅+_ H₂O→_ HCl+H₃PO₄

• 4, 5

• 1, 6

• 3, 8

• 2,2

Which equation is balanced?

• PbO₂ + 2H₂--> H₂SO₄

• SO₂ + H₂0 --> H₂SO₄

• 2Na + 2H₂O --> 2NaOH + H₂

• 2Na + 2H₂O --> 2NaOH + H