Minerals and Ores

Bauxite is the primary ore of aluminium, containing aluminium oxides and hydroxides.

Hematite is a common iron oxide mineral and one of the most important ores of iron. Bauxite is an ore of aluminum, and Galena is an ore of lead.

Bauxite is the primary ore from which aluminium is extracted through the Bayer process and subsequent electrolysis. It is a sedimentary rock with high aluminium content.

The locations listed, such as Khetri (Rajasthan) and Singhbhum (Jharkhand), are famous mining regions for copper in India. These sites have historically been the backbone of the Indian copper industry.

Thorium is found in the monazite sands of the Kerala coast and in the rocks of the Aravalli range in Rajasthan. India holds one of the world's largest reserves of thorium.

Baku, the capital of Azerbaijan, is historically and economically famous for its vast petroleum and natural gas reserves.

This is the correct answer as all these statements are correct.

In 2010, the Ministry of Environment and Forests rejected the environmental clearance for Vedanta Aluminium's bauxite mining project in the Niyamgiri Hills.

This is the correct answer as copper is a non-ferrous mineral.

This is the correct answer as both statements a and b are correct.

This is the correct answer as coal and gypsum are sedimentary minerals that occur in beds or layers.

This is the correct answer as the ocean beds are rich in manganese nodules.

This is the correct answer as limestone is the basic raw material for the cement industry and essential for smelting iron ore in the blast furnace.

This is the correct answer as all the statements are correct.