Balanced Equations Quiz

Balance this equation:
MgCl₂ --> Mg₄+ Cl₂

• It's already balanced.
• 4MgCl₂ --> Mg₄+ 4Cl₂
• 4MgCl₂ --> Mg₄+ 5Cl₂

Balance this equation:
 Li + Cl₂ -> LiCl

• 2Li + Cl₂ -> 4LiCl2
• 2Li + Cl₂ -> LiCl₂
• 2Li + Cl₂ -> 2LiCl

Which number should go in the blank?
_ H₂ + O₂ -> 2 H₂O

• 1
• 2
• 3
• 0

Is the following equation balanced or unbalanced ? 
Al + O₂ --> Al₂O₃

• Balanced
• Unbalanced

Balance this equation.
_Al + _O₂ → _Al₂O₃

• 2, 2, 2

• 1, 3, 2

• 4, 3, 2

• 4, 2, 3

Is the following equation balanced or unbalanced ? 
N₂ +3 H₂ --> 2NH₃

• Balanced
• Unbalanced

What are the coefficient used to balance the equation below?
__Ag₂O →__ Ag +___O₂

• 2,4,1
• 1,1,1
• 2,1,2
• 2,2,2

 Balance this equation:

__ Al + __ HCl → __ H₂ + __ AlCl₃

• 2, 6, 3, 2
• it is already balanced
• 4, 12, 3, 4
• 2, 1, 4, 5

Balance this equation:
__ C₃H₈ + __ O₂ → __ CO₂ + __ H₂O

• 1, 4, 3, 4

• 2, 5, 4, 6

• 2, 7, 6, 8

• 1, 5, 3, 4

Is the following equation balanced or unbalanced?
Fe + O₂ → Fe₂O₃

• Unbalanced

• Balanced