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In a electrochemical cell...

In a electrochemical cell

A

Potential energy changes into kinetic energy

B

Kinetic energy changes into potential energy

C

Chemical energy changes into electrical energy

D

Electrical energy changes into chemical energy

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-STOICHIOMETRY-Objective Exercise -1
  1. Equivalent weight of As(2)O3 in the following equation As(2)O3 +2I(2) ...

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  2. Which of the following statement is correct for a galvanic cell?

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  3. In a electrochemical cell

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  4. The electrode potential of an electrode is

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  5. Which of the following may not be present in all galvanic cells

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  6. Daniel cell is shown as

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  7. Which of the following metals will not react with solution of CuSO4 ?

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  8. In the copper zinc cell

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  9. The mass ofCO(2) obtained when 2g of pure limestone is calcined is

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  10. What is the weight of oxygen that is required for the complete combust...

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  11. Xg of Ag was dissolved in HNO3 and the solution was treated with exces...

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  12. 1.2g of Mg (At. mass 24) will produce MgO equal to

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  13. 30 g of marble stone on heating produced 11g of CO2. The percentage of...

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  14. The weight of oxygen required to completely react with 27g  of Al is

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  15. The number of moles of CO(2) produced when 3 moles of HCl react with e...

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  16. The weight of a pure sample of KCIO(3) to be decomposed in order to ge...

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  17. 6g of Mg reacts with excess of an acid. The amount of hydrogen produce...

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  18. The number of moles of Fe(2)O(3) formed when 5.6 lit of O(2) reacts wi...

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  19. What volume of H(2) at NTP is required to convert 2.8g of N(2) in to N...

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  20. The number of P-OH bonds present in pyrophosphoric acid and hypophosph...

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