Question

What is uses of hard rock and soft rock give an example

Answer 1

Hard rock :-

                  Granite - Uses: Used in buildings,monuments,bridges,paving and                       many other exterior projects & design

One example of hard and soft rock with their use:

Example of Hard rock is Granite:

Its used as follows,

• It is used as dimension stone in building constructions.

• It is used in the road construction as well, as Foundation fillers.

• Due to its high shiny nature, it is used as a prestigious material in interior decorations.

Example of soft rock is Sandstone:

Its used is as follows,

• It has wide application is both residential as well as commercial purpose.

• It is used in home construction and renovations.

• It is used in making of small statues with aesthetic appearance.

Answer 2

Answer:

(i) Granite is used for house-building and idol-making.

(ii) Pumice stone is used as a sharpener.

(iii) Basalt and dolerite are used for road-making. (iv) Many minerals found in these rocks e.g iron ore, manganese are basic raw materials for many industries.