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GCSE Chemistry Fuel cells

Last updated over 1 year ago

13 Nsɛmmisa

1

Asemmisa {{asɛmmisaAhyɛnsode}}

11.

Mmuae Afoforo a Wobɛpaw:

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

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12.

Mmuae Afoforo a Wobɛpaw:

4

2

hydrogen

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13.

Mmuae Afoforo a Wobɛpaw:

conductor

electrolyte

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

What are the reactants in a hydrogen fuel cell

Hydrogen

Oxygen

Water

Nickel

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2.

Mmuae Afoforo a Wobɛpaw:

electrical

chemical

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

Mmuae Afoforo a Wobɛpaw:

negative

loss

oxidation

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

Mmuae Afoforo a Wobɛpaw:

oxidation

positive

loss

reduction

negative

gain

Asemmisa {{asɛmmisaAhyɛnsode}}

6.

Mmuae Afoforo a Wobɛpaw:

cathode

anode

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7.

Mmuae Afoforo a Wobɛpaw:

cathode

anode

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8.

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9.

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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

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Disadvantages