Electrochemical Series in Hindi

Electrochemical Series in Hindi. We covered all the Electrochemical Series in Hindi in this post for free so that you can practice well for the exam.

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Electrochemical Series Objective MCQs in Hindi for Students

As a lead storage battery is charged

(A) Lead dioxide is dissolved

(B) Sulphuric acid is regenerated

(C) The lead electrode becomes coated with lead sulfate

(D) The amount of sulfuric acid decreases.

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The dry cell is

(A) A primary battery

(B) Also called a Leclanch cell

(C) Used in transistors and clocks

(D) All of these

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The efficiency of the hydrogen-oxygen fuel cell is about

(A) 20%

(B) 40%

(C) 70%

(D) 90%

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In which cell the free energy of a chemical reaction is directly converted into electricity?

(A) Leclanche cell

(B) Concentration cell

(C) Fuel cell

(D) Lead storage battery

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The dry cell is constructed by

(A) Only MnO2

(B) Only NH4Cl

(C) Mixture of MnO2 + NH4Cl + carbon

(D) Only carbon

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An example of a simple fuel cell is

(A) Daniel's cell

(B) H₂-O₂ cell

(C) Lead storage cell

(D) Dry cell

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The storage battery acts as

(A) 38% H₂SO4 (aq). solution

(B) 2N H₂SO4 solution

(C) H₂SO4 of specific gravity 1.5

(D) Dilute solution of H₂SO4

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The storage battery acts as

(A) an Electrolytic cell

(B) a Voltaic cell

(C) a Fuel cell

(D) Both 'A' and 'B'

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We covered all the electrochemical series in Hindi above in this post for free so that you can practice well for the exam.

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