Question

Amorphous solid can also be called as
(A) pseudo solids
(B) true solids
(C) supercooled liquids
(D) supercooled solids

Answer 1

Solid state chemistry, also known as material chemistry, is the study of structure, synthesis, properties of solid phase materials. The types of solid are as follows; crystalline and amorphous. The atomic arrangement of liquids is looser than that of solids. Amorphous solids do not have a regular 3D arrangement.

Complete Step by step solution
An amorphous particle is the solid in which the particles do not possess a regular three-dimensional arrangement. The three-dimensional arrangement is the closed packing of particles and constituents of a common solid, that is of a crystalline solid.
Amorphous solids lack three-dimensional long-range order of a crystalline material.
Amorphous solids even possess random movement of particles and molecules, exhibit a short-range order, and have different physical properties in comparison with the crystalline solids. Amorphous solids resemble liquids as they also, like liquids, do not have an ordered structure, an orderly arrangement of atoms or ions in a three-dimensional structure. These solids do not have a fixed melting point, instead they have a range of temperatures in which they transform from solid to liquid. The physical properties exhibited by amorphous solids are isotropic, that is, they give the same magnitude when measured in any direction.
So, we can say that the structure of amorphous solid is like the structure of liquid. Amorphous solids have the tendency to flow like liquid, but it is a very slow process. Therefore, sometimes they are called pseudo solids or super cooled liquids.
Hence, both option A and option C, are correct answers.

Note:
Some examples of amorphous solids are as follows,
-Rubber- used in tyres.
-Plastic- used on making bottles and many other plastic products.
-Glass- to make mirrors, glass walls.
-Gels- as lubricating agents.