WorksheetsUnit 3 and 4 Soil Chemistry Exam
Total questions: 53
Worksheet time: 13hrs 15mins
Name
Class
Date
1.
How many basic soil textural classes are there?
a)
5
b)
12
c)
7
d)
9
2.
All of the following are soil parent material except:
a)
Igneous Rock
b)
Metamorphic Rock
c)
Sedimentary Rock
d)
Ignitic Rock
3.
Which of the following is 2.0mm- 0.05mm in diameter?
a)
Sand
b)
Silt
c)
Clay
d)
Gravel
4.
Which of the following is less than 0.002mm in diameter?
a)
Sand
b)
Silt
c)
Clay
d)
Gravel
5.
Which of the following is 0.05mm- 0.002mm in diameter?
a)
Sand
b)
Silt
c)
Clay
d)
Gravel
6.
True or False: There are two ways to determine soil textural classes
a)
True
b)
False
7.
True or False: Time is a component in soil formation.
a)
True
b)
False
8.
True or False: Aggregates help give soil its structure.
a)
True
b)
False
9.
Thin layer of soil that is composed of decaying organic matter is called what?
a)
The C Horizon.
b)
The O Horizon.
c)
The A Horizon.
d)
The B Horizon.
10.
The layer of soil labeled R is made of what material?
a)
Decaying organic material.
b)
Some organic material and broken rock.
c)
Rich nutrient dense clay.
d)
Unweathered rock known as Bedrock.
11.
Which layer is known as topsoil?
a)
A
b)
O
c)
C
d)
B
12.
What four things combine to create soil?
a)
Dirt, rock, clay, silt.
b)
Igneous, metamorphic, sedimentary, clay.
c)
Water, air, organic matter, mineral matter.
d)
Minerals, humus, clay, dirt.
13.
Put the layers of the soil in order.
a)
O, A, E, B, C, R
b)
E, R, O, A, B, C
c)
R, O, A, B, C, E
d)
C, A, B, O, E, R
14.
This refers to the features of the land.
a)
Topography
b)
Loam
c)
Biota
d)
Climate
15.
This has the largest grain size and consists of broken rock and mineral.
a)
Silt
b)
Clay
c)
Loam
d)
Sand
16.
Which of the following is NOT one of the 5 factors of soil formation?
a)
Climate
b)
Topography
c)
Time
d)
Decomposition
17.
How many soil formation factors are there?
a)
1
b)
2
c)
3
d)
4
e)
5
18.
True or False: Climate and Weather are NOT the same.
a)
True
b)
False
19.
Which of the following are considered to be organisms (check all that apply)?
a)
Sand
b)
Microbes
c)
Plants
d)
Dirt Clods
e)
Animals
20.
Parent material is weathered (a) or sediment from which the soil was formed.
21.
Use the soil texture triangle to identify the texture of a soil that has 10% Sand, 20% Clay, and 70% Silt
a)
Silt
b)
Loam
c)
Silt Loam
d)
Silty Clay Loam
22.
Use the soil texture triangle to identify the texture of a soil that has 50% Sand, 10% Clay, and 40% Silt
a)
Silt/Silt Loam
b)
Loam
c)
Silt Loam
d)
Silty Clay Loam
23.
Use the soil texture triangle to identify the texture of a soil that has 30% Sand, 30% Clay, and 40% Silt
a)
Loam
b)
Clay Loam
c)
Sandy Clay Loam
d)
Silty Clay Loam
24.
True or False: Soil is Dirt
a)
True
b)
False
25.
Which of the following is an example of soil formation due to topography?
a)
Younger soils have some characteristics from their parent material.
b)
Soil usually develops more quickly in warm, wet areas than in cold, dry areas.
c)
Soils usually develop faster in flatter areas where sediments are not easily eroded.
d)
The rate of weathering depends on the structure of the rock and minerals that make up the rock.
26.
Dark colored horizons have _____organic matter than lighter ones.
a)
More
b)
Less
27.
Which soil color depicts iron?
a)
Brown
b)
Grey or Gley
c)
Red
d)
Mottled
28.
What happens to the electrons in an ionic bond?
a)
They are shared between atoms
b)
They are transferred between atoms
c)
They don't move
d)
They jump to a higher energy level
29.
What happens to the electrons in a covalent bond?
a)
They are shared between atoms
b)
They are transferred between atoms
c)
They don't move
d)
They jump to a higher energy level
30.
Based on the picture below, what type of bond forms between Lithium and Fluorine?
a)
Ionic
b)
Metallic
c)
Covalent
d)
No bond would form
31.
Based on the picture below, what is the cation formed by the reaction?
a)
Li+
b)
F-
c)
LiF
d)
There is no cation
32.
The reaction shown below results in the formation of LiF. What is the name of this compound?
a)
Lithium Fluorine
b)
Lithide Fluorine
c)
Lithium Fluoride
d)
Lithium monofluoride
33.
Which classes of elements can participate in Ionic Bonds?
a)
Only Metals
b)
Only Non-Metals
c)
Metals and Non-Metals
d)
Metalloids and Non- Metals
34.
Name the following Ionic compound: Al2O3
a)
Aluminum dioxide
b)
Dialuminum trioxide
c)
Aluminide trioxygen
d)
Aluminum oxide
35.
When electrons cannot be gained or lost, they are _________.
a)
transfered
b)
shared
c)
lost
d)
gained
36.
A(n) _______ bond is a bond where atoms share valence electrons.
a)
ionic
b)
metallic
c)
covalent
37.
Covalent bonding can take place between atoms of the same element.
a)
True
b)
False
38.
Covalent bonds always form between non-metals and ____________.
a)
Metals
b)
Non-metals
c)
Metalloids
39.
Atoms are electrically neutral; that is they do not have a charge.
a)
True
b)
False
40.
Electrons have what kind of charge?
a)
Positive
b)
Negative
c)
Neutral
41.
What is the name given to the outermost electron(s)?
a)
Outside Electrons
b)
Planetary Electrons
c)
Valproate Electrons
d)
Valence Electrons
42.
When an electron is added to or removed from an atom, the atom becomes a(n) ________.
a)
Ion
b)
Bond
c)
Nothing, it stays the same
d)
Proton
43.
Ethylene (C2H4) is a gaseous hydrocarbon which is used to synthesize different types of polymers. Which of the following diagrams represent the electron dot structure of ethylene?
a)
Option 1
b)
Option 2
c)
Option 3
d)
Option 4
44.
Table salt (sodium chloride) is a commonly used ionic compound that is the product of the reaction between sodium and chloride ions. What is the symbol and the name of the cation that makes up table salt?
a)
The symbol is Cl2﹣and the name is the chloride (II) ion.
b)
The symbol is Na2+ and the name is the sodium (II) ion.
c)
The symbol is Cl﹣and the name is the chloride ion
d)
The symbol is Na+ and the name is the sodium ion.
45.
Calcium bromide is the product of calcium and bromide ions. What is the formula for calcium bromide?
a)
CaBr
b)
CaBr2
c)
Ca2Br
46.
What is the name of the chemical with the formula SF6?
a)
sulfur (VI) fluoride
b)
sulfur hexafluoride
c)
sulfur heptafluoride
d)
sulfur (6) fluoride
47.
Atoms are most stable when their outer shell is complete.
a)
True
b)
False
48.
What is the name of the compound NO?
a)
nitrogen dioxide
b)
nitrogen monoxide
c)
dinitrogen trioxide
49.
The name of FeCl₂ is
a)
iron chloride
b)
iron (II) chloride
c)
iron (I) chloride
d)
iron dichloride
50.
The name of Cu₃N₂ is
a)
copper (III) nitride
b)
copper (II) nitride
c)
copper nitride
d)
tricopper dinitride
51.
The chemical formula of iron (III)bromide is
a)
FeBr
b)
Fe(III)Br
c)
FeBr₃
d)
Fe₂Br₃
52.
What is the formula for aluminum fluoride?
a)
AlF
b)
Al2F3
c)
AlF3
d)
Al3F2
53.
Is the following compound ionic or covalent:AlCl3
a)
Ionic
b)
Covalent
100 %
