Synthesis and Decomposition Quiz

Classify
HI → H₂ + I₂

• synthesis
• decomposition
• single replacement
• double replacement

Write out the product for this reaction"
Fe + O₂ → 

•  Fe₂O₃
• O₂Fe
• Fe+O₂ 
• O₂+Fe

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is an example of decompostion?

• Na + Br₂ --> 
• KClO₃ -->
• HgO + Cl₂-->
• Cl₂ + NaBr --> 

The following is what type of reaction:
NH₃ + HCl  → NH₄Cl

• Synthesis
• Decomposition
• Single Replacement Replacement
• Double Replacement Replacement

Tags

NGSS.MS-PS1-2

Balance this equation:
 2Li + Cl₂ → LiCl

• 2Li + Cl₂ → 4LiCl₂
• 2Li + Cl₂ → LiCl₂
• 2Li + Cl₂ → 2LiCl
• 2Li + 2Cl₂ → 2 LiCl₂

Tags

NGSS.MS-PS1-5

Which type of reaction has the following general pattern?
ABC → A + B + C

• synthesis
• combustion
• decomposition
• double displacement

Write the product:
Mg + N₂ --> ?

•  Mg₃N₂
•  Mg+N+N
• MgN
• MgN₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A decomposition reaction can be represented as _____________________.

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

This chemical equation for mercury oxide is an example of what type of reaction?
2HgO  → 2Hg + O₂

• decomposition reaction
• synthesis reaction
• combustion reaction
• Marvin the Martian reaction

Choose the balanced chemical equation for the formation of iron (III) oxide.

• 2Fe + O₂ → 2FeO₂

• Fe + O₂ → FeO₂

• 4Fe + 3O₂ → 2Fe₂O₃

• 4Fe + O₂ → 2FeO₂