Q. In 2021, which country launched a national strategy to promote the use of electrochemical processes in industrial applications?
-
A.
France
-
B.
India
-
C.
South Korea
-
D.
Brazil
Solution
South Korea launched a national strategy in 2021 to promote the use of electrochemical processes in industrial applications.
Correct Answer:
C
— South Korea
Learn More →
Q. In 2021, which major company launched a new line of electric vehicles that utilize advanced battery technology to enhance chemical reactions?
-
A.
Tesla
-
B.
Ford
-
C.
General Motors
-
D.
Nissan
Solution
Tesla launched a new line of electric vehicles in 2021 that utilize advanced battery technology to enhance chemical reactions for better performance.
Correct Answer:
A
— Tesla
Learn More →
Q. In 2022, which country became the first to use a large-scale electrolysis plant to produce green hydrogen from renewable energy?
-
A.
Norway
-
B.
Chile
-
C.
Canada
-
D.
Netherlands
Solution
Chile became the first country to use a large-scale electrolysis plant to produce green hydrogen from renewable energy in 2022.
Correct Answer:
B
— Chile
Learn More →
Q. What is the main purpose of using electrolysis in the extraction of metals?
-
A.
To purify water
-
B.
To separate elements
-
C.
To generate electricity
-
D.
To produce heat
Solution
The main purpose of using electrolysis in the extraction of metals is to separate elements from their ores.
Correct Answer:
B
— To separate elements
Learn More →
Q. What is the primary chemical process that occurs during electrolysis?
-
A.
Oxidation
-
B.
Reduction
-
C.
Decomposition
-
D.
Synthesis
Solution
The primary chemical process that occurs during electrolysis is decomposition, where compounds are broken down into their constituent elements.
Correct Answer:
C
— Decomposition
Learn More →
Q. What is the role of an electrolyte in the process of electrolysis?
-
A.
To conduct electricity
-
B.
To provide heat
-
C.
To act as a catalyst
-
D.
To absorb gases
Solution
The role of an electrolyte in the process of electrolysis is to conduct electricity.
Correct Answer:
A
— To conduct electricity
Learn More →
Q. Which country announced a significant investment in green hydrogen technology in 2022, aiming to reduce carbon emissions?
-
A.
Germany
-
B.
Australia
-
C.
Japan
-
D.
United States
Solution
Australia announced a significant investment in green hydrogen technology in 2022, aiming to become a global leader in hydrogen production.
Correct Answer:
B
— Australia
Learn More →
Q. Which element is commonly produced at the anode during the electrolysis of water?
-
A.
Oxygen
-
B.
Hydrogen
-
C.
Nitrogen
-
D.
Carbon
Solution
Oxygen is commonly produced at the anode during the electrolysis of water.
Correct Answer:
A
— Oxygen
Learn More →
Q. Which gas is produced at the cathode during the electrolysis of sodium chloride solution?
-
A.
Chlorine
-
B.
Hydrogen
-
C.
Oxygen
-
D.
Nitrogen
Solution
Hydrogen gas is produced at the cathode during the electrolysis of sodium chloride solution.
Correct Answer:
B
— Hydrogen
Learn More →
Q. Which of the following is a common application of electrolysis in everyday life?
-
A.
Water purification
-
B.
Battery charging
-
C.
Metal plating
-
D.
Cooking
Solution
Metal plating is a common application of electrolysis in everyday life.
Correct Answer:
C
— Metal plating
Learn More →
Showing 1 to 10 of 10 (1 Pages)
