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The metal oxide reacts with a . The oxi...

The metal oxide reacts with a ________ . The oxides is _______ to metal and reducing agent is ________ . Net Gibbs energy change is ___________ .

A

reducing agent, oxidised, reduced , negative

B

reducing agent , reduced , oxidised , negative

C

oxidising agent, reduced , oxidised , positive

D

reducing agent , reduced , oxidised , positive.

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The correct Answer is:
B
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NCERT FINGERTIPS-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Thermodynamic Principle Of Metallurgy
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  2. Why are sulphide ores converted to oxide before reduction?

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  3. The metal oxide reacts with a . The oxides is to metal and reducing ...

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  4. Which of the following is not correct observation on Ellingham diagram...

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  5. Write down the reactions taking place in Bast furnace related to the m...

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  6. Which of the following reactions takes place at higher temperature ran...

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  7. (f) In the manufacture of iron from haematite, limestone is added to a...

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  8. The main reactions occuring in blast furnace during extraction of iron...

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  9. The materials which can withstand very high temperature without meltin...

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  10. How is cas iron different from pig iron ?

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  11. Write some uses of wrought iron.

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  12. In blast furnace, iron oxide is reduced by

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  13. Blister copper obtained during extraction from cuprous oxide is called...

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  14. Why partial roasting of sulphide ore is done in the metallurgy of copp...

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  15. Silica is added to the sulphide ore of copper in reverberatory furnace...

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  16. Blister copper is

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  17. From the Ellingham graph between Gibbs energy and temperature , out of...

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  18. The reaction Cr2O3+2AltoAl2O3+2Cr (triangleG^(ɵ)=-421kJ)) Is therm...

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  19. In the thermite process, is used as a reducting agent.

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  20. The metallurgical process in which a metal is obtained in a fused stat...

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