Question

.) Write down some uses of rocks.​

Answer 1

Answer:

Rocks are used for many purposes but some of them that we can see in our daily life are cited below :

• Making Cement (Limestone) (Sedimentary Origin)
• Writing (Chalk) (Sedimentary Origin)
• Building Material (Sandstone) (Sedimentary Origin)
• Bath Scrub (Pumice) (Igneous Origin)
• Kerb Stone (Granite) (Igneous Origin)

Hope it helps u

Answer 2

Blocks of stones are used in 1.foundations, walls, bridge pier, abutments, lighthouses, aqueducts, and retaining walls.

2.Rocks are used for masonry work, lintels, and vertical columns, covering floors of the building.

3.Flags or thin slabs are used for paving, roofing, etc.

4.Broken or crushed rocks are used as aggregates in concrete, in road constructions.

5.Broken or crushed rocks are also used as railway ballast.

6.Stone screenings are used as a natural substitute for sand.

7.Limestone is the basic material for the manufacture of lime concrete and cement.