Types of reactions

Classify
Fe + O₂ → Fe₂O₃

• synthesis

• decomposition

• double replacement 

• single replacement

Classify
FeS + HCl → H₂S + FeCl₂

• synthesis

• combustion

• single replacement

• double replacement

Classify
CH₄ + O₂ → CO₂ + H₂O 

• single replacement

• double replacement

• synthesis

• combustion

Classify
Zn + H₂S → ZnS + H₂

• synthesis

• combustion

• single replacement

• double replacement

Classify
HI → H₂ + I₂

• synthesis

• decomposition

• single replacement

• double replacement

Which type of reaction involves one element and one compound reacting?

• Single Replacement

• Double Replacement

• Combustion

• Synthesis

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

• double replacement 

• decomposition 

• combustion 

• single replacement

What is decomposition?

• putting substances together

• breaking substances apart

• element replacing another element in a compoud

• burning of a subtance

Which of the following is an example of a synthesis reaction:

• 2 H₂O → 2 H₂ + O₂

• 2 Na + Cl₂ → 2 NaCl

• CH₄ + 2 O₂ → 2 H₂O + CO₂

• 2 HCl + Zn → ZnCl₂ + H₂

What type of chemical reaction is this?

2AgNO₃ + Cu → Cu(NO₃)₂ + 2Ag

• Synthesis

• Single Replacement

• Double Replacement

• Decomposition