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Is distilled water pure? Is it a monomer? Why?
Distilled water is a pure substance, not a single substance.

Meaning of distilled water:

Distilled water is the distillation of water, condensed water, distillation of the second is called redistilled water, three times called triple distilled water. Low oxygen consumption of water, add potassium permanganate and acid industrial distilled water is obtained using the distilled water method. (Simply put, water boils and liquefies into small droplets).

Basic use of distilled water:

1, in life, generally and machines, electrical appliances related to the role of distilled water is mainly it does not conduct electricity, to ensure the stability of the machine operation, to extend the service life of electrical appliances.

2, in the pharmaceutical industry, the role of distilled water is to use its hypotonic effect.

3, school chemistry experiments, some need to use distilled water, the use of distilled water without electrolytes, no free ions, or no impurities.