The correct answer is B. Gypsum.
Plaster of Paris is a white powder that is produced by heating gypsum to 120â180 °C. It is a hemihydrate of calcium sulfate, with the chemical formula CaSO4·½H2O. When mixed with water, it forms a paste that hardens over time. Plaster of Paris is used in a variety of applications, including construction, dentistry, and medicine.
Bauxite is an ore that is the main source of aluminum. It is a mixture of aluminum oxide, iron oxide, and silica. Bauxite is mined and then processed to produce alumina, which is used to make aluminum metal.
Lime stone is a sedimentary rock that is composed of calcium carbonate. It is used in a variety of applications, including construction, agriculture, and manufacturing.
None of these is the correct answer.