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1. Which port is used for exporting iron ore from Bailadila mines to Japan and South Korea?

2. Maharashtra-Goa belt exports iron ore mainly through which port?

3. How much manganese is required to manufacture one tonne of steel?

4. Manganese is NOT used in which of the following?

5. Which state had the largest share in manganese production in 2018–19?

6. Which mineral is critically deficient in India?

7. The largest copper mines of India are located in:

8. Which ore is the source of aluminium?

9. Panchpatmali deposits in Koraput district are famous for:

10. Which mineral is indispensable in the electrical and electronic industry?

11. The leading mica producing belt in India is:

12. Limestone is mainly used in:

13. Which health issue is most common among miners?

14. Rat-hole mining is mostly practiced in which state?

15. Minerals are considered:

16. Which is the most abundantly available fossil fuel in India?

17. Lignite reserves are mainly found in:

18. Which coal is the highest quality hard coal?

19. Jharia, Raniganj, and Bokaro are coalfields located in:

20. Which state is the oldest oil producing state of India?