Lime stone is used in the manufacture of pig iron from haematite. Why?
Haematite contains SiO2 as main impurity and thus use of lime stone is made to remove SiO2 in form of slag.
Write the names of materials mixed before the calcined ore is subjected for smelting in the extraction of iron.
Which reducing agent for the ore is used in the extraction of iron in the blast furnance ace?
Why is ferric chloride preferred over potassium chloride in case of cut leading to bleeding?