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The incorrect statement among the follow...

The incorrect statement among the following is

A

Hydrogen is used to reduce NiO

B

Zirconium is refined by Van Arkel method.

C

The sulphide ore galena is concentrated by froth flotation.

D

In the metallurgy of iron, flux used is `SiO_(2-)`

Text Solution

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The correct Answer is:
D
In the metallurgy of iron `P_4 , O_(10)` is used as flux
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DISHA PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE -1: CONCEPT APPLICATOR
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  2. While extracting an element from its ore, the ore is grind and leached...

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  3. Consider the following statements - In the aluminothermite process,...

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  4. Which statement is correct?

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  5. Aluminium is prepared in large quantities by

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  6. The incorrect statement among the following is

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  7. Select the property which forms the basis of hydrometallurgical proces...

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  8. which of the following electronts is present as the impurity to the m...

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  9. Which of the following pairs of metals uis purified by van arkel meth...

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  10. The following reaction take place in the blast in the proparation of i...

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  11. Aluminium is extracted from Alumina (Al(2)O3 ) by electrolysis of a mo...

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  12. Which ore of the following is a mineral of iron ?

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  13. In the exteraction of copper from its sulphide ore, the metal is fanal...

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  14. 'Metals are usually not found as nitrates in their ores''. Out of the ...

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  15. In the exteraction of copper from its sulphide ore, the metal is fanal...

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  16. Aluminium is extracted from Alumina (Al(2)O3 ) by electrolysis of a mo...

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  17. Which ore of the following is a mineral of iron ?

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  18. In the exteraction of copper from its sulphide ore, the metal is fanal...

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  19. 'Metals are usually not found as nitrates in their ores''. Out of the ...

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  20. In the exteraction of copper from its sulphide ore, the metal is fanal...

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