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For which one of the followinng reac...

For which one of the followinng reaction ` Delta G` decreases with increasing the temperature

A

`2Zn_((s)) +O_(2(g)) to 2 ZnnO_((s))`

B

`2CO_((g)) +O_(2 (g)) to 2CO_(2(g))`

C

`2C_((s)) +O_(2 (g)) to 2CO_((g))`

D

`4Cu_((s))+O_(2(g)) to 2Cu_(2) O_((s))`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-PRINCIPLES OF METALLURGY-OBJECTIVE EXERCISE-1
  1. Ag(2)S or in mixed with NaCl and heated to 6000^(@) in the presence o...

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  2. For which one the following reaction Delta S is positive

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  3. For which one of the followinng reaction Delta G decreases with ...

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  4. For which one of the following reaction , the graph of Delta ...

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  5. The least stable oxide at room temperature is

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  6. Ni +4CO overset(330-350 K) to Ni(CO ) 4 overset(450-470 k ) to Ni +4C...

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  7. The process of zone refining is used for

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  8. The process used in the refining of aluminimum and zinc metals ...

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  9. In the metallurgy of which of the following supellation process ...

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  10. In zone - Refining method the molten zone :

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  11. Tin and lead can be refined by

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  12. Silver containing lead as an impurity is not purified by

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  13. The main ore of iron is its

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  14. Mark the wrong statement among the following. The iron ore after washi...

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  15. Most abundant ore of iron is

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  16. The reducing agent added in the extraction of Iron from oxide ore of i...

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  17. The iron obtained from blast funace is

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  18. In the middle part of blast furnace, iron ore is treated with lime sto...

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  19. In the manufacture of iron from haematite, the limestone acts as

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  20. In the extraction of iron, the slag produced is

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