The correct answer is b) Ilmenite. Ilmenite is an iron titanium oxide mineral with the chemical formula FeTiO3. It is the most abundant titanium-bearing mineral and is a major source of titanium dioxide, which is used in white paint, paper, plastics, and other products. Ilmenite is also a source of iron ore.
Rutile is a titanium dioxide mineral with the chemical formula TiO2. It is the most common form of titanium dioxide and is used in white paint, paper, plastics, and other products. Rutile is also a gemstone.
Zircon is a zirconium silicate mineral with the chemical formula ZrSiO4. It is a common mineral and is used as a gemstone, as a refractory material, and as a source of zirconium.
Monazite is a rare earth phosphate mineral with the chemical formula (Ce,La,Nd,Th)PO4. It is a source of rare earth elements, which are used in a variety of products, including electronics, batteries, and magnets.
Ilmenite is the most abundant mineral sand found along Kerala’s coast because it is a common mineral that is found in many parts of the world. It is also a relatively easy mineral to extract and process.