Uses of Rocks

1) How Is Glass Synthesised?

• Glass is formed by melting limestone, a sedimentary rock.
• Along with limestone, soda ash and sand are also melted at a very high temperature, leading to glass formation.
• Glass behaves like a liquid at a very high temperature and turns into a solid at room temperature.

2) What Is Clay Mudstone? State Its Use.

Clay mudstone is a type of sedimentary rock. Its uses are as follows—

• It is used to make ceramic pots.
• It is used for making tiles and pipes.

3) Can We Consider the Salt We Use in Our Kitchens as a Mineral?

• Salt, which we use in our kitchens, is a crystalline mineral composed of sodium and chlorine.
• It is obtained by evaporating seawater.

4) What Is Concrete? State Its Uses.

Clay mudstone is a type of sedimentary rock. Its uses are as follows—

• Concrete is an artificially prepared mixture of sand, gravel, and cement.
• The preparation of concrete resembles a conglomerate.
• It is used to make the base of almost every building around us.
• It is used for making roads, buildings, fences etc.