Question

Role of limestone in the manufacture of pig iron from haematite

Answer 1

Iron is extracted from its ore,haematite, in a blast furnace. ... Thelimestone decomposes in the hot furnace, forming calcium oxide. This reacts with the sandy impurities (silicon dioxide) to form a slag. The slag can be used in making roads.

hope it's help you my friend
plz Mark my answer as brainliest and u can follow me also