Iron ore contains impurities like ___, ___, and ___ that must be removed to obtain pure iron.

sulphur, silica, and lime

True or False: Coking coal is used primarily for the production of coke in the steel-making process.

True.

Fill in the blank: The molten iron collected at the base of the blast furnace is referred to as ___ iron.

Pig

What is the purpose of limestone in the iron and steel production process?

Limestone acts as a flux in the steel-making process, helping to remove impurities from the iron ore.

What process is used to remove impurities from pig iron to convert it into steel?

Deoxidation is the process used to remove impurities from pig iron.

Fill in the blank: The Tata Iron and Steel Company (TISCO) is located in ___, approximately 240 km northwest of Kolkata.

Jamshedpur

Riddle: I am a hardening material added to molten iron to make it strong. What am I?

Carbon

Fill in the blank: The labour force for the Tata Iron and Steel Plant primarily comes from densely populated states like Bihar, West Bengal, ___, Chhattisgarh, and Uttar Pradesh.

Jharkhand

What type of steel does the Tata Iron and Steel Plant primarily produce?

The plant primarily produces high-grade carbon steel and acid steel.

Multiple Choice: Which of the following is NOT a source of raw materials for the Tata Iron and Steel Plant? 
A) Gurumahisani mines

B) Jharia coalfields 
C) Sundargarh district 
D) Tamil Nadu

D) Tamil Nadu

What transport facilities connect Jamshedpur to the rest of the country?

Jamshedpur is well-connected by road and rail, linked to Eastern Railways and Kolkata Port.

Fill in the blank: The plant produces special alloy steel used for manufacturing ___ and axles.

Railway wheels

Mineral-based industries primarily utilize ___ as their raw materials.

Minerals

What key process occurs in a blast furnace to produce molten iron?

Ore reduction, where coke, limestone, and dolomite are added to help remove impurities from the iron ore.