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Most abundant metal in earth crust is :...

Most abundant metal in earth crust is :

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The correct Answer is:
Aluminium
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Fill in the blanks choosing appropriate word/ words from those given in the brackets : (gravity separation, magnetic separation, absence, presence, CuFeS_2 , Cu_2S , froth flotation, aluminium, iron, smelting, pure, impure, mines, copper, silver, sulfide, zinc, chromium nickel, tin, blister copper, Cus, Fes, thermal, electrical, argentite or silver glance (Ag_2S) , cuprous oxide, cuprous sulfide.) Most abundant metal in the earth's crust is...............

CENGAGE CHEMISTRY ENGLISH-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Fill In The Blanks)
  1. Zinc blende is the ore of .

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  2. Froth flotation process is generally employed for ores.

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  3. Most abundant metal in earth crust is :

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  4. Extraction of aluminium form alumina is done by .

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  5. The metal like Si, Ga etc., which are used in semiconductors, are puri...

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  6. The purification of crude metals is referred to .

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  7. Magnesite is an ore of .

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  8. The metal present in chlorophyll is

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  9. Aluminium oxide is not reduced by chemical reactions due to

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  10. The process of removal of gangue form ore is known as .

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

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

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  13. Roasting is generally carried out in mineral.

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  14. Gold is usually found nearmineral.

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  15. The metal that is extracted from sea water is

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

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

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  18. Highly reactive elements occurs in nature instate.

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

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

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