Q2 of 35 Page 1

Name the mineral which is used to harden steel during manufacturing.

Manganese is required to harden steel during manufacturing.


NOTE – Iron and steel is a heavy industry because all the raw materials, as well as finished goods, are heavy and bulky. Iron ore, coking coal, and limestone are required in the ratio of approximately 4:2:1 along with manganese for hardening of steel.


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