Microbial Fuel Cell UPSC. We covered all the Microbial Fuel Cell UPSC in this post for free so that you can practice well for the exam.
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Microbial Fuel Cell UPSC Objective for Students
Out of Cu, Ag, Fe, and Zn, the metal which can displace all others from their salt solution is
(A) Ag
(B) Cu
(C) Fe
(D) Zn
Option d – Zn
In a hydrogen-oxygen fuel cell, the combustion of hydrogen occurs to
(A) Remove absorbed oxygen from electrode surfaces.
(B) Create a potential difference between the two electrodes.
(C) Produce high-purity water.
(D) Generate heat
Option b – Create a potential difference between the two electrodes
Which cell has a longer life and is more expensive to manufacture?
(A) Lead storage cell
(B) Dry cell
(C) Mercury cell
(D) Nickel-cadmium cell
Option d – Nickel-cadmium cell
Name the colorless gas that evolves when NH4Cl reacts with zinc in the dry-cell battery.
(A) N₂
(B) Cl2
(C) H₂
(D) NH3
Option c – H₂
Which of the following statement (s) is/ are true for secondary cells?
(A) It cannot be reused.
(B) It cannot be recharged.
(C) It undergoes a large number of charging and discharging cycles.
(D) All of the above
Option c – It undergoes a large number of charging and discharging cycles
The metal can not displace hydrogen from dil. H₂SO4 solution is
(A) Ag
(B) Al
(C) Zn
(D) Fe
Option a – Ag
Hydrogen-oxygen fuel cells are used in spacecraft to supply
(B) Power for pressure
(C) Oxygen
(D) Water
We covered all the microbial fuel cell upsc above in this post for free so that you can practice well for the exam.
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