Quiz 1- 10.03- 2023

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.

3 HBr + 1 Al(OH)₃ ----> 3 H­₂O + 1 AlBr₃

• 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

Which phrase describes what happens to atoms in a chemical reaction?

• never lost or gained, just rearranged

• sometimes lost, never rearranged

• sometimes lost, gained, or rearranged

• lost or gained, never rearranged