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}} $