What is electrolysis?

Chemical Effects of Electric Current

Quiz
•
Chemistry
•
8th Grade
•
Hard
Reddi Sekhar
Used 1+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Electrolysis is the process of using a magnetic field to drive a chemical reaction.
Electrolysis is the process of using heat to drive a chemical reaction.
Electrolysis is the process of using an electric current to drive a non-spontaneous chemical reaction.
Electrolysis is the process of using pressure to drive a chemical reaction.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name the process in which a metal is coated with a thin layer of another metal using electrolysis.
Electrofusion
Electroplating
Metallic coating
Electrocoating
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can corrosion be prevented in iron?
By using a hammer to break the iron
By applying a protective coating, using sacrificial anodes, or galvanizing the iron.
By exposing to extreme heat
By soaking in water for extended periods
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a sacrificial anode in corrosion prevention?
To protect the primary metal structure by corroding itself instead
To increase the rate of corrosion on the primary metal structure
To provide additional strength to the primary metal structure
To attract more moisture to the primary metal structure
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of electroplating.
Electroplating is the process of coating a metal object with a thin layer of another metal using electricity.
Electroplating involves heating metal objects to create a shiny surface.
Electroplating is the process of coating a metal object with a thin layer of plastic using electricity.
Electroplating is a method of removing metal from objects using chemicals.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens at the anode during electrolysis?
Oxidation
Evaporation
Condensation
Reduction
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to use a salt bridge in an electrolytic cell?
To prevent the flow of ions between the two half-cells
To reduce the efficiency of the electrolytic cell
To increase the temperature of the electrolyte
To maintain electrical neutrality and allow the flow of ions between the two half-cells.
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