JEE Main Chemistry question

Which is correct about fuel cells?

(A)Cells continuously run as long as fuel is supplied
(B)They are more efficient and free from pollution
(C)They are used to provide power and drinking water to astronauts in space programmes
(D)All of the aboveCorrect

Answer: (D)

Solution

Fuel cells run continuously while fuel is fed in, are efficient and clean (producing water rather than pollutants),

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Question ID VK-144048