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प्रश्न
Which of the following cell was used in the Apollo space programme?
विकल्प
Mercury cell
Daniel cell
\[\ce{H2 - O2}\] fuel cell
Dry cell
\[\ce{Ni - Cd}\] cell
उत्तर
\[\ce{H2 - O2}\] fuel cell
Explanation:
It was chosen for its ability to produce energy by mixing hydrogen and oxygen from hydrogen peroxide, resulting in water as a byproduct. The Apollo missions relied on this fuel cell for dependable and efficient electricity.
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संबंधित प्रश्न
Suggest two materials other than hydrogen that can be used as fuels in fuel cells.
What are fuel cells?
Write two advantages of fuel cell
Which of the following acts as oxidising agent in a hydrogen-oxygen fuel cell?
In H2–O2 fuel cell, the reaction taking place at negative electrode is:
What advantage do the fuel cells have over primary and secondary batteries?
Match the items of Column I and Column II.
| Column I | Column II |
| (i) Lead storage battery | (a) maximum efficiency |
| (ii) Mercury cell | (b) prevented by galvanisation |
| (iii) Fuel cell | (c) gives steady potential |
| (iv) Rusting | (d) Pb is anode, PbO2 is cathode |
Which of the following statements regarding fuel cell is incorrect?
Draw labelled diagram of H2 – O2 fuel cell.
Write two applications of fuel cells.
