Suggest two materials other than hydrogen that can be used as fuels in fuel cells.

Very Short Answer

Methane (CH₄) and methanol (CH₃OH) can be used as fuels in fuel cells instead of hydrogen.

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Chapter 2: Electrochemistry - Intext Questions [Page 58]

Chapter 2 Electrochemistry
Intext Questions | Q 2.14 | Page 58

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.

Which of the following cell was used in the Apollo space programme?

Which of the following species acts as reducing agent during working of hydrogen-oxygen fuel cell?