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GCSE Chemistry Fuel cells

Posljednje ažuriranje over 1 year ago

13

1

Pitanje 11

11.

Drugi mogući odgovor:

lit

glowing

splint relights

squeaky pop.

1

1

Question 1

00:15

2

Question 2

00:28

2

Question 3

01:25

1

Questions 4 & 5

01:33

1

1

Question 6

01:43

1

Question 7

02:41

2

Question 8

03:08

1

Question 9

04:20

1

Question 10

07:09

1

Pitanje 12

12.

Drugi mogući odgovor:

4

2

hydrogen

Pitanje 13

13.

Drugi mogući odgovor:

conductor

electrolyte

Pitanje 1

1.

What are the reactants in a hydrogen fuel cell

Hydrogen

Oxygen

Water

Nickel

Pitanje 2

2.

Drugi mogući odgovor:

electrical

chemical

Pitanje 3

3.

Pitanje 4

4.

Drugi mogući odgovor:

negative

loss

oxidation

Pitanje 5

5.

Drugi mogući odgovor:

oxidation

positive

loss

reduction

negative

gain

Pitanje 6

6.

Drugi mogući odgovor:

cathode

anode

Pitanje 7

7.

Drugi mogući odgovor:

cathode

anode

Pitanje 8

8.

Pitanje 9

9.

Pitanje 10

10.

Only require O₂ and H₂
Do not produce CO₂
Long lasting so more sustainable
Hydrogen is a gas so difficult to store
Hydrogen is explosive
Hydrogen is produced from cracking fossil fuels

Advantages
Disadvantages