Q1.Which of the following minerals are most important among placer deposits?

Q2.Which of these minerals are largely derived from ocean waters?

Q3.Which region of India is almost devoid of economic minerals?

Q4.Which type of iron ore is considered the finest, containing up to 70 per cent iron and valuable in the electrical industry?

Q5.Which iron ore is the most important industrial iron ore in terms of quantity used, despite having a slightly lower iron content (50-60 per cent) than magnetite?

Q6.According to 2018-19 data, which group of states accounted for almost 97% of India's iron ore production?

Q7.Which geological formation in India contains most of the reserves of coal, metallic minerals, mica, and many other non-metallic minerals?

Q8.Where are most of the petroleum deposits found in India?

Q9.The Bailadila hills are named because they resemble what?

Q10.In which districts of Odisha is high grade hematite ore found in the Badampahar mines?