Purification And Characterisation Of Organic Compounds Question 46
Question: Calcination is used in metallurgy for removal of
[AFMC 1995]
Options:
A) Water and sulphide
B) Water and $ CO_2 $
C) $ CO_2 $ and $ H_2S $
D) $ H_2O $ and $ H_2S $
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Answer:
Correct Answer: B
Solution:
$ ZnCO_3\to ZnO+CO_2 $ In calcination ore is heated in absence of air in a reverberatory furnace to remove moisture and $ CO_2 $
BETA
