Why is rain water pure?

Is rain water a pure substance or a mixture?

Out of rain water and distilled water, distilled water is pure substance. Rain water basically consists of gases like carbon dioxide, oxygen, oxides of nitrogen and sulphur etc dissolved in water, and therefore should be regarded as a mixture and pure compound.

Is rain water the most purest form?

Rain water is considered the purest form of water. Impurities and salts present in water on earth are left behind during vaporisation by the sun. However, the rain water we receive on earth is not necessarily pure, as it brings down impurities and particles present in the atmosphere along with it.

What is the pure form of water?

Pure water is called distilled water or deionized water. In distilled water all of the dissolved substances mixed in water have been removed by evaporation. As water evaporates, it distills, or leaves the salt behind. The pure evaporated water is collected and condensed to form distilled water.

Is rain water a solvent or solute?

(c) Rain water : In rain water the solute would be dissolved minerals or gasses from the atmosphere and the solvent is water.

Why is sea water called a mixture?

Textbook solution

The substances present in the mixture is not chemically combined. … Sea-water is classified as a mixture. Because, sea-water is made up of more than two substances, that is salt and water. The salt is dissolved in water and the salt is consider as solute and water is consider as solvent.

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What is pure water in chemistry?

In the United States, the EPA defines “pure” water as water free from all types of bacteria and viruses. … Water is a compound made up of hydrogen and oxygen, so pure water would be water that contains nothing but hydrogen and oxygen.