Rain water does not leave behind concentric rings when boiled. Why?
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Rain water does not leave concentric rings when boiled because rain water does not contain dissolved solids. Air dissolved in water contains a higher percentage of oxygen because the solubility of oxygen in water is more than that of oxygen in air.
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Rain water does not leave rings when heated, since rainwater contains no solids that have been dissolved. Carbon immersed in water contains more oxygen because oxygen solubility in water is greater than oxygen solubility in the atmosphere
Explanation:
- Dissolved solids, including salts, minerals, and other impurities, are found in concentric rings in tap water, but they are absent in the rain water, so that they do not form concentric rings.
- Rainwater does not leave behind concentric rings when boiled because rainwater does not contain dissolved solvents.
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