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CHE 111 C4--Reactions In Aqueous Solution
Test Description: This game reviews Chapter 4 of your text--Reactions in Aqueous Solutions.
Instructions: Answer all questions to get your test result.
1) Is CuS soluble in water?
A
yes
B
no
2) Is HClO a strong electrolyte?
A
no
B
yes
3) In the reaction of CaBr2 and K2CO3, what will be the precipitate?
A
CaBr2
B
KBr
C
K2CO3
D
CaCO3
4) Choose the weak acid.
A
HF
B
HBr
C
HI
D
HCl
5) Oxidation is the * of electrons and reduction is the * of electrons.
A
loss, gain
B
gain, loss
6) In the reaction Cu + 2 HBr = CuBr2 + H2, what is the oxidation number of Cu?
A
+1
B
+2
C
0
D
-2
7) In the reaction Cu + 2 HBr = CuBr2 + H2, what is oxidized?
A
H2
B
H+
C
Br-
D
Cu
8) Will Ag react with AlBr3?
A
yes
B
no
9) What is the molarity if 25 g KI are dissolved in enough water to make 250 mL?
A
0.01 M
B
0.1 M
C
0.60 M
D
0.00060 M
10) How many mL of 6 M HCl are needed to make 250 mL of 2 M HCl?
A
83 mL
B
0.083 mL
C
42 mL
D
21 mL
*select an answer for all questions
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