The correct answer is b) Ilmenite. Ilmenite is an iron titanium oxide mineral with the chemical formula FeTiO3. It is the most abundant of the titanium minerals and is a major source of titanium dioxide, which is used in paint, 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 paint, 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, abrasive, and in ceramics.
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 electronics, magnets, and other products.
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 mine and process.