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In a dry cell, what acts as negative ele...

In a dry cell, what acts as negative electrode ?

A

Zinc

B

Graphite

C

Ammonium chloride

D

Maganese dioxide

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The correct Answer is:
A
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In dry cell, what acts as a negative electrode?

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TARGET PUBLICATION-ELECTROCHEMISTRY-COMPETITIVE THINKING
  1. Calomel is .

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  2. Dry cell converts .

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  3. In a dry cell, what acts as negative electrode ?

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  4. What is the density of solution of sulphuric acid used as an electroly...

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  5. Which among the following equations represents the reduction reaction ...

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  6. In lead storage battery, the anode reaction is

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  7. While charging the lead storage battery:

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  8. Which of the following is NOT used in hydrogen-oxygen fuel cell ?

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  9. In H(2)-O(2) fuel cell, the reaction occurring at cathode is

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  10. Which of the following reaction is reaction is used to make a fuel cel...

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  11. A device that convers energy of combustion of fueles like hydrogen and...

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  12. Identify the weakest oxidising agent among the following.

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  13. Reduction potentials of A,B,C and D are 0.8 V 0.79 V, 0.34 V and -2.3...

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  14. Reducing powers of A,B,C and D are w,x,y, and z respectively such that...

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  15. The value of E(red)^(@) for metals A,B and are 0.34 Volt , -0.80 Volt...

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  16. The standard reduction potential for Zn^(2+)//Zn, Ni^(2+)//Ni and Fe^(...

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  17. The E(M^(3+)//M^(2+)^@ values for Cr, Mn, Fe and Co are 0.41, + 1....

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  18. When a copper wire is placed I a solution of AgNO3, the solution acqu...

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  19. The standard oxidation potential values of A,B,C and D are -0.03 V, +0...

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  20. This is involved in rusting of Fe :.

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