Distilled water is pure and oxide. Pure water is water distilled by steam, which is cold and suspicious. Secondary steam is called heavy steam water, and tertiary steam is called tertiary soda water. Water with low oxygen consumption, potassium permanganate solution and pure water produced by acid industry are all obtained from pure water. Water, steam and distilled water are pure substances, compounds and oxides. Because it can only be expressed by a molecular formula.

Efficacy and function of distilled water;

In life, when it is generally related to machines and electrical appliances, the main function of distilled water is not to conduct electricity, to ensure the stable operation of machines and to prolong the service life of electrical appliances.

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2. In pharmaceutical industry, the function of distilled water is due to the low permeability effect. Wash the surgical wound with distilled water, so that the tumor cells that may remain on the wound will swell, rupture and die and lose their activity, thus preventing the tumor from planting and growing on the wound.

3. Some chemical experiments in school need distilled water, which has no electrolyte, free ions and impurities.

Blood pressure removes the original fraction (about 20% of the source water) because the evaporated components are concentrated in the original fraction.

Blood discharges the residual part (about 20% of the source water) because many non-evaporated components are concentrated in the residual water.

Add some substances to promote steam distillation. For example, adding NaOH makes it difficult for CO2 in water to evaporate, and KMnO4 can oxidize organic matter in water.