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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
no
B
yes
2) Is HClO a strong electrolyte?
A
no
B
yes
3) In the reaction of CaBr2 and K2CO3, what will be the precipitate?
A
KBr
B
K2CO3
C
CaBr2
D
CaCO3
4) Choose the weak acid.
A
HI
B
HBr
C
HF
D
HCl
5) Oxidation is the * of electrons and reduction is the * of electrons.
A
gain, loss
B
loss, gain
6) In the reaction Cu + 2 HBr = CuBr2 + H2, what is the oxidation number of Cu?
A
-2
B
+1
C
+2
D
0
7) In the reaction Cu + 2 HBr = CuBr2 + H2, what is oxidized?
A
Br-
B
Cu
C
H2
D
H+
8) Will Ag react with AlBr3?
A
no
B
yes
9) What is the molarity if 25 g KI are dissolved in enough water to make 250 mL?
A
0.1 M
B
0.60 M
C
0.01 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
21 mL
C
0.083 mL
D
42 mL
*select an answer for all questions
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