Purification And Characterisation Of Organic Compounds Question 179
Question: Which of the following processes involve the roasting process-
Options:
A) $ ZnCO_3\to ZnO+CO_2 $
B) $ Fe_2O_3+3C\to 2Fe+3CO $
C) $ 2PbS+3O_2\to 2PbO+2SO_2 $
D) $ Al_2O_3.2H_2O\to Al_2O_3+2H_2O $
Show Answer
Answer:
Correct Answer: C
Solution:
[c] Roasting involves heating the ore strongly in presence of excess of air $ (O_2) $ .
BETA
