Question

meaning of limestone​

Answer 1

Answer:

Explanation:

a type of hard white sedimentary rock that is used for building or for making cement.

Answer 2

Calcium carbonate is the main component of limestone. Clay and limestone are utilised as raw materials in cement production. The hemihydrate of calcium sulphate is plaster of Paris.

Explanation:

• Limestone is a mineral with a wide range of applications. It is a carbonated sedimentary rock that forms mostly on the seafloor as calcium carbonate-rich sediments accumulate.
• Calcium carbonate is the primary component. Calcium carbonate is also known as limestone because of this. When marine animals such as coral, foraminifera, and others die, their calcium carbonate shells are left behind. Limestones make up around 10% of sedimentary rocks.
• Limestones are water and weak acid soluble. It also contains chert, which has varying levels of silica. Limestone comes in a variety of colours, including yellow, white, and grey.