The correct answer is: D) All of the above.
Limestone is a sedimentary rock composed mainly of calcium carbonate (CaCO3). It is the most common type of limestone in the world, and it is found in many different parts of the world, including Telangana. Limestone is used in a variety of industries, including cement production, construction, and steelmaking.
In cement production, limestone is used as a raw material. It is crushed and then heated to a high temperature, which causes it to react with other materials to form cement. Cement is a key ingredient in concrete, which is used in a variety of construction projects.
Limestone is also used in construction as a building material. It is used to make bricks, tiles, and other building materials. Limestone is also used as a decorative stone.
In steelmaking, limestone is used as a flux. A flux is a substance that is added to a molten metal to remove impurities. Limestone is used to remove impurities from molten iron, which is then used to make steel.
Limestone is a valuable resource that is used in a variety of industries. It is a sustainable resource that can be recycled and reused.