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What are fuel cells? Write their advanta...

What are fuel cells? Write their advantage and de-merits .

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AAKASH SERIES-ELECTROCHEMISTRY -EXERCISE - 4.2
  1. Write the working of concentration cell, mercury dry cell and nickel c...

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  2. Discuss the construction and working of lead storage battery.

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  3. What are fuel cells? Write their advantage and de-merits .

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  4. Distinguish between corrosion and passivity .

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  5. Mention the reason for corrosion and discuss the preventive methods fo...

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  6. One normal salt solution surrounding two platinum electrodes, 2.1 cm a...

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  7. Find the number coulombs needs to plate 10 cm xx 10 cm area to a 0.1...

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  8. Degree of dissociation of decinormal acetic acid is 3.66% at 25^@C.If...

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  9. When a current strength of 965 amp can deposit 0.9g of At metal in 20...

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  10. Certain quantity of electricity is passed through aqueous AgNO3 and aq...

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  11. Potential of normal calomel electrode is -0.28 V . The emf of cell obt...

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  12. The standard potential of Ni^(2+), Ni is -0236 V. It this electrode is...

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  13. The oxidation power of halogens and the reducing power of halides is j...

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  14. E0 for the reaction , Ag^(+) + e^(-) to Ag, is 0.8 V. Calculate E^@ f...

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  15. Standard oxidation potential of iron electrode is + 0.44 V. Calculate ...

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  16. Colour of potassium iodide solution containing starch turns blue when ...

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  17. E0 values of Zn^(2+), Zn , Mg^(2+), Mg and Cu^(2+), Cu are -0.76 V, ...

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  18. At 298 K the equilibrium constant for the redox reaction CuSO4 + Fe <...

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  19. Ag^(+) + e^(-) rarr Ag, E^(0) = + 0.8 V and Zn^(2+) + 2e^(-) rarr Zn, ...

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  20. E^@ value for Fe^(3+) 3e^(-) to Fe and Fe^(2+) + 2e^(-) to Fe are -0.0...

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