Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Lujan Test 3 Balancing Chemical Equation, Conservation Of Matter, Naming Compounds
Test Description: Test 3
Instructions: Answer all questions to get your test result.
1) What coefficients are needed to balance the following equation: __H2 + __O2 = __H2O
A
2, 1, 2
B
1, 1, 1
C
1, 2, 1
D
2, 2, 2
2) How many atoms does the compound, K2MnO7 contain?
A
14
B
1
C
10
D
11
3) Chemical equations illustrate
A
chemical reactions
B
Law of Conservation of Matter
C
all of the above
D
Law of Conservation of Energy
4) What coefficients will balance the following equation: __Na + __O2 = __Na2O
A
1, 4, 2
B
none of the above
C
4, 1, 2
D
1, 2, 4
5) Fe + Cl2 -- FeCl3, what coefficients would balance the equation?
A
1, 1, 1
B
2, 3, 2
C
4, 2, 2
D
3, 2, 2
6) How many oxygens are in 2(NO3)
A
2
B
6
C
1
D
3
7) How many aluminums are in 2Al2O3
A
8
B
6
C
2
D
4
8) What is a coefficient in a chemical equation?
A
a subscript before an atomic symbol
B
a number following an elemental or molecular symbol
C
the subscript after an atomic symbol
D
a number preceding an elemental or molecular symbol
9) MgO
A
Manganese Oxide
B
Monomanganese monoxide
C
Magnesium Oxide
D
Magnesium monoxide
10) CaSO4
A
Calcium sulfite
B
calcium hydrogen sulfate
C
Calcium monosulfur tetraoxide
D
Calcium sulfate
11) FeCl3
A
Iron chloride
B
Iron (III) Chloride
C
Iron trichloride
D
monoiron trichloride
12) K2O
A
dipotassium monoxide
B
Potassium oxalate
C
potassium oxide
D
Potassium monoxide
13) CO2
A
carbon dioxide
B
carbide oxide
C
monocarbon dioxide
D
carbon oxide
14) Sodium nitrite is
A
NaNO
B
NaNO2
C
NaNO3
D
Na3N
15) Copper (II) sulfide is
A
CuS
B
CuS2
C
Cu2S2
D
Cu2S
16) What is the correct name of CrPO4
A
Chromium (III) phosphate
B
Chromium (III) phosphite
C
Chromium (II) phosphide
D
Chromium (II) phosphate
17) The formula for calcium bromide is
A
Ca2Br
B
CaBr
C
Ca2Br2
D
CaBr2
18) If your cation is a transition metal, it should have a
A
subscript
B
prefix
C
polyatomic ion
D
roman numeral
19) What does the law of conservation of mass state?
A
The total mass of the reactants is greater than the total mass of the products.
B
The total mass of the reactions equals the total mass of the products.
C
Mass can be created but not destroyed
D
The total mass of the reactions is less than the total mass of the products.
20) Which of the following equations does NOT demonstrate the law of conservation of mass?
A
P4 + 5O2 = 2P4O10
B
2K + 2Cl = 2KCl
C
2Na + Cl2 = 2NaCl
D
NaOH + HCl = NaCl H20
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?