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The substance used in the thermite proce...

The substance used in the thermite process of reducing metal ores is

A

aluminium

B

thorium

C

heated Pt gauge

D

carbon

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Verified by Experts

The correct Answer is:
A
A mixture of Al powder and metallic oxide `(Cr_2 O_3 , Mn _3 O_4 ` etc ) is called thermite.
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DISHA PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE -1: CONCEPT BUILDER (TOPICWISE)
  1. The process of converting hydrated alumina into anhydrous alumina is c...

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  2. Furances are lined with calcium oxide as

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  3. The substance used in the thermite process of reducing metal ores is

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  4. After partial roasting, the sulphide of copper is reduced by

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  5. Before introducing FeO in blast furance, it is converted to Fe(2)O(3) ...

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  6. ELLINGHAM DIAGRAM

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  7. The form of iron obtained from blast furnace is:

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  8. The slag obtained during the extraction of copper from coper pyrites i...

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  9. Muffle furnace is used in the metallurgy of

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  10. In Hall's process, the main reagent is mixed with

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  11. In the extraction of copper, the metal formed in the Bessemer converte...

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  12. Ag(2)S +NaCN rarr (a) (a) +Zn rarr (d) (b) is a metal. Hence (a) a...

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  13. Method used for obtaining highly pure silicon which is used as a semic...

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  14. In the purification of impure nickel by Mond's process, metal is purif...

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  15. Incorrect match

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  16. In van Arkel method, if I(2) is introduced at 1700 K over impure metal...

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  17. Van Arkel method of purification of metals involves converting the met...

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  18. Identify the reaction that does not take place in a blast furnace

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  19. The temperature (""^@C) at which Fe2 O3is finally reduced to Fe in the...

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  20. High purity copper is obtained by

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