Chemical reactions test review

PCl₅ +H₂O --> POCl₃ +HCl. How many chlorine (Cl) atoms?

• Reactants: 5; Products: 3

• Reactants 5; Products 5

• Reactants 5: Products 4

• Reactants 3; Products 5

Match the following

• synthesis

• 
• double replacement

• 
• combustion

• 
• single replacement

• 
• decomposition

• 

Match the following

• combustion

• 2 compounds in reactants & products

• single replacement

• 1 element & 1 compound in products & reactants

• double replacement

• 1 reactant breaks apart into 2 or more smaller products

• decomposition

• O₂ as a reactant & CO₂ and water as products

• synthesis

• 2 or more reactants combine to make 1 product

The ​ (a)   are on the right side of the arrow and the ​ (b)   are on the left side of the arrow.

• products
• reactants
• dipoles
• samples
• ionic compounds
• covalent compounds

What reaction has the following general formula:

A + B --> AB

• Synthesis

• Decomposition

• Single Displacement

• Double Displacement

• Combustion

What is the general reaction scheme for a decomposition reaction?

• A + B --> AB

• AB --> A + B

• A + CD --> C + AD

• AB + CD --> CB + AD

What reaction has the following general formula:

A + CD --> C + AD

• Combination

• Decomposition

• Single Displacement

• Double Displacement

• Combustion

Identify the type of chemical reaction

• Synthesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

Identify the type of chemical reaction

• Synthesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

How many Hydrogen are in 4H₂O?

• 6
• 8
• 2
• 4