
Redox Reaction Post-Lab Quiz
Authored by Robert Huff
Mathematics
11th Grade
Used 7+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of this lab experiment?
To observe a color change in solutions
To understand the redox reaction between copper (II) sulfate and zinc
To learn how to use a weighing scale
To practice pouring solutions into a beaker
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the balanced chemical equation for the reaction between zinc and copper (II) sulfate?
Zn + CuSO₄ → ZnSO₄ + Cu
Cu + ZnSO₄ → CuSO₄ + Zn
ZnSO₄ + Cu → Zn + CuSO₄
Zn + Cu → ZnCu₂
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expected color change observed during the reaction?
Colorless to blue
Blue to green
Blue to colorless
Green to blue
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the reducing agent in the reaction? Or, in other words, which of the following is oxidized?
Copper (II) sulfate
Zinc metal
The solution itself
Water
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During the experiment, what solid is formed when zinc reacts with copper (II) sulfate?
Zinc sulfate
Copper
Zinc oxide
Copper oxide
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which observation indicates that a chemical reaction is taking place between zinc and copper (II) sulfate? (select all that apply)
Formation of a gas
Change in color
Temperature change
Formation of a new substance
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidizing agent in the redox reaction between zinc and copper (II) sulfate? In other words, what is reduced?
Zn
Cu2+
SO42-
H2O
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