Chemical reactions ( Synthesis & Decomposition & Combustion

A decomposition reaction can be represented as _____________________.

• AB  → A + B
• A + B → AB
• AB + CD → AC + BD
• A + BC → B + AC

A chemical change in which a single compound breaks down into two or more simpler products is called a ______________________.

• precipitation reaction

• combustion reaction

• synthesis

  reaction

• decomposition reaction

Tags

NGSS.MS-PS1-5

A chemical change in which two or more substances react to form a new substance is a ____________________________.

• decomposition reaction
• synthesis reaction
• double displacement reaction
• combustion reaction

A synthesis reaction can be represented as ________________________.

• AB + CD → AC + BD
• AB → A + B
• A + B → AB
• A + BC → B + AC

This chemical equation for magnesium oxide is an example of what type of reaction?
2Mg + O₂  → 2MgO

• decomposition reaction
• synthesis reaction
• single displacement reaction
• combustion reaction

What is decomposition?

• putting substances together
• breaking substances apart
• element replacing another element in a compoud
• burning of a subtance

Tags

NGSS.MS-PS1-2

The following reaction is an example of what reaction type? 
CoCO₃ → CoO + CO₂

• Synthesis

• Decomposition

• Precipitation

• Combustion

What type of chemical reaction is this one?
C₂H₂ + O₂ --> CO₂ + H₂O

• Decomposition

• Combustion

• Synthesis

• Precipitation

What is the term for the → sign in a reaction?

• makes
• produces
• yields
• all are correct

when two solutions combine to produce two products, one product is an insoluble solid

• Displacement

• Decomposition

• Precipitation

• Combustion