Chemical Reactions Test

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

• Combustion

• Double Replacement

• Single Replacement

• Synthesis

Identify the following Chemical reaction:

• Single Replacement

• Double replacement

• Decomposition

• Combustion

What type of reaction occurs when CO2 and H2O are your products?

• Decomposition

• Combustion

• Synthesis

• Single Replacement

Identify the following chemical reaction.

Pb + FeSO₄ ----> PbSO₄ + Fe

• Decompostion

• Synthesis

• Single Replacement

• Double Replacement

What reaction has the following general formula:

AB --> A + B

• Synthesis

• Decomposition

• Combustion

• Double Replacement

Which of the following is a diatomic element?

What must happen first when you have an ionic compound in a chemical reaction?

• Balance the charges

  (swap & Drop)

• Balance the subscripts

• Use prefixes as subscripts

• Use Prefixes as charges

What is a coefficient?

• Are numbers that go below of each substance to indicate the number of atoms or molecules that are reacting or being produced.

• Are numbers that go behind of each substance to indicate the number of atoms or molecules that are reacting or being produced

• Are numbers that go in front of each substance to indicate the number of atoms or molecules that are reacting or being produced

• Are numbers that go above each substance to indicate the number of atoms or molecules that are reacting or being produced

Balance the following chemical reaction:

___C₃H₈ +___O₂ --> ___CO₂ + ___H₂O

• 1,5,5,4

• Balanced

• 2,10,6,8

• 1,5,3,4

Balance the following chemical reaction, and Identify the type of reaction:

__Na + __Cl₂ --> __NaCl

• 2,1,2 Synthesis

• 2,1,2 Decomposition

• 2,1,1 Synthesis

• 2,1,1 Decomposition