Q. Which of the following are used as raw materials in Iron and Steel industries?
1.Lime stone
2.Dolomite
3.Manganese
4.Fire Clay
Choose the correct answer from below given codes:

[A] 1 and 2 only

[B] 1, 2 and 3 only

[C] 2, 3 and 4 only

[D] 1, 2, 3 and 4

Answer: D
Notes:

Explanation: The development of the iron and steel industry opened the doors to rapid industrial development in India.

  • Almost all sectors of the Indian industry depend heavily on the iron and steel industry for their basic infrastructure.
  • The other raw materials besides iron ore and coking coal, essential for iron and steel industry are limestone, dolomite, manganese and fire clay.

Source: NCERT – India People & Economy