Purification And Characterisation Of Organic Compounds Question 165
Question: Flux added in the extraction of iron is
Options:
A) Silica
B) Felspar
C) Limestone
D) Flint
Show Answer
Answer:
Correct Answer: C
Solution:
Impurities of $ SiO_2 $ is present in the iron ore so basic flux $ CaCO_3 $ is added.
$ \underset{Flux}{\mathop{CaO}}+\underset{Impurity}{\mathop{SiO_2}}\to \underset{Slag}{\mathop{CaSiO_3}} $