Which one of the following cells can convert chemical energy of O2 and H2 directly into electrical energy:
A
mercury cell
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B
danicell cell
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C
fuel cell
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D
lead storage cell
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Solution
The correct option is C fuel cell In hydrogen- oxygen fuel cell, the hydrogen is fuel and oxygen is the oxidizing agent. In this cell, the energy of combustion of hydrogen is converted into electrical energy. Hence, option C is correct.