Name _________________________________________ Date ________________________ Hour _________
Chemical Reactions Test Review Part 2
Write the formulas of the reactants and products for the chemical reactions, and then balance the equations. List
the state subscripts for each reactant and product. Consider H2O a liquid unless otherwise stated. Check
your answers on the back and identify each reaction type. Write the reaction type in the line provided.
1.
Liquid ammonia (NH3) reacts with a solution of hydrogen monochloride to form solid ammonium
chloride.
2.
Solid calcium carbonate decomposes upon heating to form solid calcium oxide and carbon dioxide gas.
3.
Solid barium oxide reacts with water to form a solution barium hydroxide.
4.
Liquid acetaldehyde (CH3CHO) decomposes to form the gasses methane (CH4) and carbon monoxide.
5.
Solid zinc reacts with a solution of copper (II) nitrate to form the solution zinc nitrate and copper.
6.
Solid iron reacts with a solution of sulfuric acid (H2SO4) to produce a solution of iron (II) sulfate and
hydrogen gas.
7.
A solid nitrogen containing carbon compound, C2H6N2, decomposes to form the gasses ethane, C2H6,
and nitrogen.
8.
Solid manganese II iodide decomposes when exposed to light to form solid manganese and gaseous
iodine.
After checking your answers, identify each reaction as a synthesis, decomposition, single
replacement or double replacement.
Answers
1) NH3 (l)
+
Reaction Type
HCl (aq)
2) CaCO3 (s)  CaO (s)
3)
BaO (s)
+

+
CH4 (g)
5) Zn (s)
+
Cu(NO3)2 (aq)
6) Fe (s)
+
H2SO4 (aq)
7) C2H6N2 (s)
8) MnI2 (s) 

Mn (s)
+
_______________________________
Ba(OH)2 (aq)
+
_______________________________
CO(g)
__>

C2H6 (g)
_______________________________
CO2 (g)

H2O (l)
4) CH3CHO (l) 
NH4Cl (s)
Zn(NO3)2 (aq)
FeSO4 (aq)
+
I2 (g)
_______________________________
N2 (g)
+
+
H2 (g)
Cu (s)
_______________________________
_______________________________
_______________________________
_______________________________