Classifying Chemical Reactions

Classify
CH₄ + O₂ → CO₂ + H₂O 

• single replacement
• double replacement
• synthesis
• combustion

Tags

NGSS.HS-PS1-4

Classify
FeS + HCl → H₂S + FeCl₂

• synthesis
• combustion
• single replacement
• double replacement

Classify
Fe + O₂ → Fe₂O₃

• synthesis
• decomposition
• double replacement 
• single replacement

Classify
Zn + H₂S → ZnS + H₂

• synthesis
• combustion
• single replacement
• double replacement

Classify
HI → H₂ + I₂

• synthesis
• decomposition
• single replacement
• double replacement

What type of reaction is:
 Na₃PO₄ + KOH → 3 NaOH + K₃PO₄

• Synthesis Reaction
• Single Displacement Reaction
• Double Displacement Reaction
• Decomposition Reaction

In the equation,          2Mg + O₂ ---> 2MgO, which are the reactants?

• Mg and O
• MgO
• Mg and MgO
• O and MgO

Tags

NGSS.MS-PS1-1

What type of reaction is this?
C₃H₆O + 4 O₂ -->3 CO₂ + 3 H₂O 

• single replacement
• synthesis
• combustion
• decombustion

AB + X --> XB + A

• synthesis
• decomposition
• single replacement
• double replacement

2HI --> H₂ + I₂

• synthesis
• decomposition
• single replacement
• double replacement