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Heating of ores with flux to remove non ...

Heating of ores with flux to remove non fusible mass is called:

A

Smelting

B

Calcination

C

Roasting

D

Cupellation

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The correct Answer is:
A
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MBD PUBLICATION-GENERAL PRINCIPLES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. Froth floatation process is based on :

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  2. Which contains both Ca and Mg ?

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  3. Heating of ores with flux to remove non fusible mass is called:

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  4. In the electrolysis of alumina, cryolite is added to :

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  5. The process of converting hydrated alumina into anhydrous alumina is c...

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  6. Which of the following statement regarding the metallurgy of magnesium...

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  7. In the metallurgy of zinc , the zinc dust obtained from roasting and r...

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  8. Some of the metals occur in the native state in nature because they :

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  9. Complex formation or cyanide method is used for the extraction of :

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  10. An essential constituent of amalgam is :

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  11. Mercury is transported in metal containers made up of :

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  12. Impurities physically associated with minerals are:

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  13. In concentration process of minerals by froth foloatation method , the...

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  14. The ore that is concentrated by froth floatation process is

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  15. Which consists of only one element ?

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  16. Metallurgy is the process of :

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  17. The second most common element in the universe is :

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  18. The main function of roasting is :

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  19. A and B are two allotropes of an elemt . One gram of B in :

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  20. An element A dissolves both in acid and alkali. It is an example of :

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