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The process in which metal oxide is redu...

The process in which metal oxide is reduced to metal by `Al` is called

A

Smelting

B

Aluminothermy

C

Hydrothermy

D

No specific name

Text Solution

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The correct Answer is:
B
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CENGAGE CHEMISTRY-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Single Correcttype)
  1. An ore after levigation is found to have acidic impurities. When of th...

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  2. The rocks formed by the solidification of magma over the years are

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  3. The process in which metal oxide is reduced to metal by Al is called

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  4. Extraction of silver from Ag(2)S by the use of sodium cyanide is examp...

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  5. Which of the following metals can be extracted by smelting ?

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  6. The most abundant element in earth's crust is

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  7. Which of the following processes involve the roasting process ?

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  8. Alklali metals do not exist in free state in nature because these are

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  9. In the froth flotation process for benefication of ore, the ore partic...

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  10. Salt which is (are) least likely to find in minerals

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  11. Which of the following benefication processes is used for the mineral ...

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  12. In the aluminothermite process, aluminium is

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  13. Magnetic separation is used for increasing concentration of the follow...

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  14. Which of the following srtatement above the advantage of masting of su...

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  15. When the sample of copper with zinc impurityn is to be purified by ele...

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  16. During the process of electroytic refining of copper some metals prese...

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  17. On heating a mixture of Cu(2)O and Cu(2)S, we get :

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  18. Sulphide ore of metal are usually concentrated by froth flotation proc...

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  19. Heating of ore in presence of air to remove sulphure impurities is cal...

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  20. The method of zone relining of metal is based on the principle of AIFM...

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