Question

Sodium sulphate and benzoic acid can be separated by _______ method?

Answer 1

Explanation:

The mixture of naphthalene and sodium chloride can be separated by the process of sublimation as naphthalene is a sublime ,i.e., it turms into vapour without changing in liquid and its vapour change into solid without changing into liquid while sodium chloride is not a sublime.

Answer 2

Sodium sulphate and benzoic acid can be separated by filtering method.

How is it so?

• Benzoic acid is just soluble in steaming hot water.
• So cool the combination and the benzoic acid emerges from the arrangement and can be sifted through with filter paper.
• The Salt can then be recuperated by heating the water until there is zero remaining.

Sodium sulphate:

• The name and capability of salt mixtures change with the presence or nonattendance of water in their glass-like structures.
• For instance, sodium sulfate, $NaSO_{4}$, is called anhydrous sodium sulfate when liberated from water and is utilized as a drying material.

Benzoic acid:

• Benzoic acid is a natural compound which is depicted by the substance recipe $C_{6} H_{5} COOH$.
• It comprises a carboxyl gathering connected to a benzene ring. Thusly, benzoic acid is supposed to be a sweet-smelling carboxylic corrosive.
• This compound exists as a translucent, dreary strong under ordinary circumstances.

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