Chemistry 060 - Introduction to General Chemistry » Fall 2020 » Comprehension Assessment
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Question #1
Choose all that apply. Which of the following is/are true of the compound SnI2 when it is placed in water?
A.
soluble
B.
insoluble
C.
non-electrolyte
D.
electrolyte
Question #2
When the following equation is balanced, what will be the coefficient of KOH(aq)? Give your answer as a number. Al2(SO4)3(aq) + KOH(aq) ⟶ Al(OH)3(aq) + K2SO4(aq)
A.
2
B.
6
C.
4
D.
8
Question #3
Choose all that apply: The following chemical equation can be classified as which types of reaction(s)?KCl(aq) + AgNO3(aq) ⟶ AgCl(s) + KNO3(aq),,
A.
combustion
B.
single displacement
C.
acid base
D.
redox
E.
double displacement
F.
precipitation
Question #4
Consider the chemical equation: Co + CS2 ⟶Co2S3 + CS What is the oxidizing agent?
A.
S
B.
CS2
C.
CS
D.
Co2S3
E.
Co
F.
C
Question #5
What is the oxidation state of Cl in KClO3? write +/- and a #. (ie +2 or -3)
A.
-5
B.
+5
C.
+3
D.
+4
Question #6
Which of the following is the oxidizing agent? CuSO4 + Zn --> ZnSO4 + Cu
A.
CuSO4
B.
Zn
C.
Cu
D.
ZnSO4
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