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Flux combines the infusible impurities t...

Flux combines the infusible impurities to form_____.

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The correct Answer is:
Slag
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Fill in the blanks with the correct choice. The undesired impurities present in the ores are called overset((i))("______") . To remove the volatile impurities from the ore, the overset((ii))("______") process is carried ot Flux combines with non-fusible impurities to form overset((iii))("______") . CaO acts as a overset((iv))("______") flux.

Read the given passage carefully and fill in the blanks by selecting an appropriate option. Oxides of ul(" (i) ") are reduced to their respective metals by heating with coke and the process is called ul(" (ii) ") . Before carrying out reduction with carbon, if the calcined or roasted ore still contains infusible impurities of earthy matter, called ul(" (iii) ") , an additional substance, called ul(" (iv) ") is added which combines with (iii) to form a fusible material, called ul(" (v) ") .

(iii) Substances which convert infusible impurities present in ores into fusible substances during smeting are called slag.

During smelting, an additional substance is added which combines with impurities to form a fusible product. The substance added is known as :

Lipids can combine with proteins to form _________

What is a flux ? What is its nature ? Name the substances which are formed when flux combines with gangue impurities.

CENGAGE CHEMISTRY-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Fill In The Blanks)
  1. The process of removal of gangue form ore is known as .

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  2. Aluminium is obtained from Al(2)O(3) by reduction.

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  3. In the metallurgical process for the electro-refining of the metal, th...

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  4. Roasting is generally carried out in mineral.

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  5. Gold is usually found nearmineral.

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  6. Metal extracted from sea water is .

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  7. The naturally occurring chemical substances in form of which occur in ...

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  8. The earthly and siliceous impurities which generallty occur with ores...

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  9. Highly reactive elements occurs in nature instate.

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  10. Minerals from which metals are extracted conveniently and economically...

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  11. The complete of extracting the metal form its ores is called .

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  12. Calcination is the process of heating the ore strongly in the of air.

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  13. An ore of tin containing FeCrO(4) is concentrated by .

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  14. Sodium cyanide solution is used to extract or from its ores.

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  15. ores are concentrated by froth flotation and roasted in excess of air ...

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  16. involves treating the powdered ore with a suitable reagent which selec...

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  17. Flux combines the infusible impurities to form.

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  18. acts as an acidic flux whileacts as a basic flux.

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  19. In the metallurgy of copper, the flux used to remove the basic impurit...

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  20. During extraction of iron from haematite, the flux used is .

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