
Hydrogen Fuel Cells Concepts
Interactive Video
•
Chemistry, Science, Physics
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one of the main learning objectives of this video?
Understanding the structure of atoms
Exploring the history of chemistry
Describing what is meant by a fuel cell
Learning about the periodic table
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do chemical cells and batteries produce electricity?
Through nuclear reactions
By using solar energy
Via a chemical reaction
Through mechanical energy
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the waste product of a hydrogen fuel cell?
Water
Oxygen
Methane
Carbon dioxide
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens at the negative electrode in a hydrogen fuel cell?
Oxygen is reduced
Hydrogen molecules split into ions and electrons
Water is formed
Electrons are absorbed
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which equation represents the reaction at the positive electrode in a hydrogen fuel cell?
O2 forms O3
H2O splits into hydrogen and oxygen
O2 + 4 H+ plus four electrons forms water
2 H2 forms 4 H+ and four electrons
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key advantage of hydrogen fuel cells over rechargeable batteries?
They have a higher voltage output
They are more environmentally friendly
They are cheaper to produce
They produce electricity as long as hydrogen is supplied
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a disadvantage of hydrogen fuel cells?
They require rare materials
They produce harmful emissions
Hydrogen is difficult to store safely
They are less efficient over time
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