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the most electropositive metals are iso...

the most electropositive metals are isolated from their ors by

A

High temperature reduction with carbon

B

Self reduction

C

Thermal decomposition

D

Electrolyris of fused ionic salts

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-PRINCIPLES OF METALLURGY-PRACTICE EXERCISE
  1. Some statements about Ellingham diagram a) Increase in the slope of th...

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  2. The metal that can be obtained even by the electrolysis of its aqueous...

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  3. the most electropositive metals are isolated from their ors by

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  4. In order to refine blister copper it is melted in a furnance and is st...

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  5. Electric furnaces are lined with magnesia because

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  6. The separation of lanthanoids by the ion exchange method is based on

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  7. Metal carbonate is converted to the corresponding metal oxide usually ...

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  8. Blast furnace is used in the extraction of the metal

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  9. Nickel steel is used in making

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  10. Carbonate or hydroxide ores are generally converted to their oxides by

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  11. Most abundant metal in the earth's crust is

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  12. Gravity separation method is based upon

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  13. Among the following statements the incorrect one is

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  14. Refractory metals are used in construction of furnaces because

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  15. The substance widely used to remove silica present as impurity, from t...

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  16. Extraction of aluminium from aluminium oxide (Al(2)//O(3))is het done ...

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  17. the most electropositive metals are isolated from their ors by

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  18. Siderite mineral is

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  19. Chemical composition of malachite is 'X'. Then the composition of azur...

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  20. In sulphatizing roasting of Zns, products are

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