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Q.

The fuel used in a phosphoric acid fuel cell is ______.

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a

Phosphorous

b

Hydrogen

c

Propanal

d

Methanol

answer is D.

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Detailed Solution

Phosphoric acid fuel cells (PAFC) use phosphoric acid as its electrolyte and porous electrodes contain the Pt catalyst.

 

CO2-containing air is used as the oxidant and pure hydrogen or hydrogen-rich gas act as the primary fuel for power generation.

 
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