Question

identify the crystalline and amorphous substances from the following - rubber , washing soda , table salt , Glass , copper , wax , silica ,quartz glass​

Answer 1

Explanation:

Amorphous solids are the solids whose constituent particles are of irregular shapes and have short range order. These solids are isotropic in nature and melt over a range of temperature. Therefore, amorphous solids are sometimes called pseudo solids or super cooled liquids. They do not have definite heat of fusion. When cut with a sharp-edged tool, they cut into two pieces with irregular surfaces. Examples of amorphous solid include glass, rubber, and plastic.

Question 1.2:

Answer 2

Answer:

wax , glass ,rubber, washing soda are amorphous whereas table salt , copper , silica , quartz glass are crystalline substances

Explanation: