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Electrochemistry - Set 5
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NUST Entrance Test
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Chemistry
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Electrochemistry
Set 5
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Mashaal Masha
Oct 19, 2022
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Choose the correct options for the following questions.
The most common fuel used in fuel cells are:
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Difficulty: Easy
A:
$4O_{2} and C_{2}H_{6}$
B:
$H_{2} and CH_{4}$
C:
$CH_{4} and 0_{2}$
D:
$H_{2} and O_{2}$
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In recharging of the lead storage battery:
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Difficulty: Easy
A:
Pb is converted to $PbO_{2}$
B:
$PbSO_{4}$ is converted to Pb
C:
Pb is converted to $PbSO_{4}$
D:
Both (a) and (b)
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