Chemical Reactions

What type of reaction is illustrated below?
FeS + Hal --> H₂S + FeCl

• synthesis
• decomposition
• single replacement
• double replacement

Which of the following answers will balance the equation below?
__K + __Br₂ --> __KBr

• 2, 1, 1
• 2, 3, 2
• 2, 1, 2
• 1, 2, 3

What type of reaction is illustrated below?
2HI --> H₂  +  I₂

• synthesis
• decomposition
• single replacement
• double replacement

What type of reaction is illustrated below?

Zn + H₂S --> ZnS + H₂

• synthesis

• decomposition

• single replacement

• double replacement

How many Hydrogens are on the product side of this chemical equation?

• 1

• 2

• 3

• 4

Which is the name of the kind of solid substance formed in this figure?  

• aqueous 
• precipitate
• acid
• synthesis 

Predict the following reaction 
NaCl   +   Ca(NO₃)₂ --> 

• no reaction both products are aqueous 
• Calcium chloride and sodium nitrate are produced  
• sodium nitrate is a solid formed 
• calcium chloride is the solid formed

Fill in the blank. (Copper has a charge of 2+)

Cu+ AgNO₃ → Ag + _____

• Cu(NO₃)₂

• CuNO₃

• CuAg

• Cu

Predict the products of this synthesis reaction: H₂ + Cl₂ →

• HCl

• H₂Cl₂

• H₂Cl

• HCl₂

What type of reaction is this?

2 C₆H₁₄ + 19 O₂ → 12 CO₂ + 14 H₂O

• Single Replacement

• Double Replacement

• Combustion

• Decomposition