Why lime stone is added in the extraction of lead from galena ?

Write the chemical equations involved in the extraction of lead from galena by self-reduction process.

Write the chemical equations involved in the extraction of lead from galena by self-reduction process.

Write the chemical equations involved in the extraction of lead from galena by self-reduction process.

Main ore of lead is gaalena.This is mined and separated from other minerals by froth flotation.There are two methods of extracting the lead. (i)First method involves the roasting of ore followed by reduction with coke or CO. (ii)Second method involves the partial roasting of ore followed by self reduction. Which of the following statement is incorrect about the extraction of lead from galena ?

What is the role of lime stone and coke in the extraction of iron using blast furnace?

What is the role of lime stone in the extraction of iron from the concentrated haematite ore ?

What is the role of lime stone in the extraction of iron from the concentrated hematite ore ?

What is the role of lime stone in the extraction of iron ?