Answer: Rainwater is produced by the direct condensation of water droplets, it is considered as the purest form of water. Water from rivers, oceans, and all other naturally occurring open water sources evaporates in the presence of the sun, leaving all contaminants behind and forming clouds in the process.
A solution of organic water that doesn’t include any dissolved gases or salts is referred to as “pure water” in chemistry.
Minerals should be present in drinking water at particular amounts. They are added to public water systems to assist reduce the possibility of shortages. We receive a boost of several of those nutrients from mineral water as well.
Therefore, rain water is the purest of water.