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Thermite process involve the reaction of...

Thermite process involve the reaction of metal oxides with

A

aluminium

B

copper

C

oxygen

D

heat

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VGS PUBLICATION-BRILLIANT-PRINCIPLES OF METALLURGY-EXERCISE
  1. To extract the metal, the metallic oxide with

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  2. High reactivity metals are extracted by of their fused compounds.

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  3. Thermite process involve the reaction of metal oxides with

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  4. Suitable impurities are added to the ore to decrease its

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  5. The displacement reactions involving high reactive metals are highly

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  6. The process of obtaining the pure metal from the impure metal is calle...

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  7. The method adopted to purify low melting metals by heating and making ...

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  8. is the method the required metal gets deposited at the cathode.

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  9. Tarnishing of silver is due to formatio of

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  10. Development of green coating on copper is due to

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  11. The electrolyte used in refinery of copper is

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  12. Auto reduction possible withores.

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  13. is used to carry out pyrochemical process.

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  14. The place where the ore is kept in the furnace for heating purpose is

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  15. furnace has both furnace and hearth separated.

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  16. furnace contains a big chamber for both fuel and ore.

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  17. If the impurity (gangue) is acidic substance, then the flux used is

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  18. means simply getting rid of unwanted rocky material from ore.

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  19. The metals which do not burn oxidise even on surface are

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  20. During corrosion process takes place.

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