Purification And Characterisation Of Organic Compounds Question 176
Question: In the manufacture of iron from haematite, the function of lime stone is as
[CPMT 1988; MP PET 1991, 93, 95]
Options:
A) A reducing agent
B) Flux
C) Slag
D) Gangue
Show Answer
Answer:
Correct Answer: B
Solution:
$ CaCO_3\to CaO+CO_2 $ ; $ \underset{Flux}{\mathop{CaO}}+\underset{\begin{smallmatrix} Impurityof \\ haematite \end{smallmatrix}}{\mathop{SiO_2}}\to \underset{Slag}{\mathop{CaSiO_3}} $