Types of Reactions

What kind of reaction is this:

2H₂ + O₂ --> 2H₂O

• Synthesis

• Decomposition

• Displacement

• combustion

What kind of reaction is this:

4Fe + 3O₂ → 2Fe₂O₃

• Synthesis

• Decomposition

• displacement

What kind of reaction is this:

2H₂O₂ →2 H₂O + O₂

• Synthesis

• Decomposition

• Displacement

• Combustion

What kind of reaction is this:

2C₃H₇OH +9O₂ -> 6CO₂ + 8H₂O

• synthesis

• Combustion

• Displacement

• Decomposition

An element plus additional element reacts to form one product is an example of which type of chemical reaction?

• combustion

• decomposition

• synthesis

• Displacement

Which type of reaction takes place in the presence of oxygen and produces carbon dioxide and water?

• Displacement

• decomposition

• combustion

What type of reaction is illustrated below?

2HI --> H₂ + I₂

• synthesis

• decomposition

• combustion

Classify

CH₄ + O₂ → CO₂ + H₂O

• displacement

• synthesis

• combustion

The formula AB → A+B represents what type of chemical reaction?

• synthesis
• decomposition
• single displacement
• double replacement

HCl + NaOH --> NaCl + H₂O

This reaction is

• decomposition

• combustion

• neutralisation

• displacement