Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 4 (Q.No. 32)

Building Materials

32.

Calcination of iron ores is done

to remove moisture

to remove carbonic acid

by roasting in heaps

after dressing

all the above.

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

2 comments Page 1 of 1.

Adeel said: 5 years ago

Calcination --> heated strongly in the absence of air in order to drive out the impurities such as sulphur, arsenic, carbon dioxide and moisture.

Masum said: 5 years ago

Anyone explain about roasting in heaps.

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