Purpose of coke in the blast furnace is

The iron produced in the blast furnace is called ............. .

For the extraction of iron, the blast furnace is charged with the mixture of ore, coke and limestone. (True / False)

a. 'The ore mixed with coke and limestone is introduced into the blast furnace. What is the purpose of adding limestone?

Weight ratio of roasted ore, coke and lime stone fed into the blast furnace in the manufa-cture of cast iron is

Weight ratio of roasted ore, coke and lime stone fed into the blast furnace in the manufacture of cast iron is