Question

What are crystals ? How are crystals of sodium chloride prepared from common salt ?

Answer 1

CRYSTALS :-

A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions. In addition, macroscopic single crystals are usually identifiable by their geometrical shape, consisting of flat faces with specific, characteristic orientations. The scientific study of crystals and crystal formation is known as crystallography. The process of crystal formation via mechanisms of crystal growth is called crystallization or solidification.

PREPARATION OF SODIUM CHLORIDE FROM COMMON SALT :

However, sodium and chlorine respond together to generate a substance that is familiar to nearly everybody in the globe that is sodium chloride, or table salt, or common salt.

2Na(s) + Cl2(g) → 2NaCl(s)

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Answer 2

Answer:

Crystals are the purest solid forms of a substance, having a natural geometric shape.  To prepare the crystals of sodium chloride, a solution containing the maximum amount of  common salt is dissolved in boiling water, which is then filtered to remove the insoluble  impurities. This filtered solution is allowed to sit for few hours, without disturbing it. The  sodium chloride accumulates to form crystals with definite geometric shapes, leaving behind  the impurities in the solution.

Explanation: Hope u got ur answer