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The process in which the concentrated or...

The process in which the concentrated ore is strongly heated in the absence of air is called as………

A

Roasting

B

Calcination

C

Smelting

D

Leaching

Text Solution

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The correct Answer is:
B
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  6. Ignition mixture used in aluminothermic process is ………….

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  7. For spontaneous reaction ,the change in free energy should be…

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  8. The change in Gibbs free energy for a reaction is expanded by...........

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  9. Relationship between DeltaG^(@) and K(P) is…….

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  10. Consider the following statements. (i)Ellingham drawn on a plot by c...

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  15. The technique used to refining zinc and mercury is ……

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  16. Which of the following is not purified by zone refining process?

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  18. Titanium is purified by ……..

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  19. The metal used for galvanisation of iron is ….

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