Chapter 7, Problem 7.98APP

Identify the type of reaction for each of the following as combination, decomposition, single replacement, double replacement, or combustion: (7.5)

1. A compound breaks apart into its elements.
2. Copper and bromine form copper(II) bromide.
3. Iron(II) sulfite breaks down to iron(II) oxide and sulfur dioxide.
4. Silver ion from ${\text{AgNO}}_3\left(aq\right)$ forms a solid with bromide ion from KBr(aq).