Unit 3 Post Test - Chemical Reactions

What type of reaction is this?

• synthesis

• decomposition

• combustion

• single replacement

• double replacement

What type of reaction is this?

• synthesis

• decomposition

• combustion

• single replacement

• double replacement

What type of reaction is this?

• synthesis

• decomposition

• combustion

• single replacement

• double replacement

Law of Conservation of Mass states that: Mass cannot be __________ nor ________________.

What is the limiting reactant?

• the hot dog

• the hot dog bun

What is the excess reactant?

• hydrogen

• oxygen

What is the limiting reactant?

• iron

• sulfur

Is this equation balanced?

• yes

• no

Is this equation balanced or unbalanced?

• balanced

• unbalanced

How many carbons are on the reactants side?

• 4

• 5

• 6

• 7