Question

Write two example of hard material,soft material,rough,smooth ,soluble ,insoluble,float,sink,shiny(lusturonsmaterial,)non shiny (not shiny)

Answer 1

Answer:

There are many types of material found, they are many a times categorized according to there nature and behavior they posses. Some examples of the materials according to there characteristics are as follows:

Hard:- i) Iron, ii) Aluminium.

Soft:- i) Rubber, ii) Sponge.

Smooth:- i) Grease, ii) Paste.

Soluble:- i) Sugar, ii) Salt.

Insoluble:- i) Iron, ii) Aluminium.

Float:- i) Thermacol, ii) Sponge.

Sink:- i) Lead, ii) Silver.

Shiny:- i) Gold, ii) Silver.