HSC Science (Computer Science) 12th Board ExamMaharashtra State Board
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How Calcination Differ from Roasting? - HSC Science (Computer Science) 12th Board Exam - Chemistry

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Question

How does it differ from 'roasting"?

Solution

 

Roasting Calcination
(i)Ore is heated in pressure of
   excess of air
Ore is heated in the absence of air of or limited supply of air
(ii)Generally the process is
    employed for sulphide ores
Generally the process is employed for carbonate and hydrated oxide ores.

 

  Is there an error in this question or solution?

APPEARS IN

 2013-2014 (March) (with solutions)
Question 1.2 | 7.00 marks

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Solution How Calcination Differ from Roasting? Concept: Factors Influencing Rate of a Reaction.
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