Temporary hardness is caused by soluble minerals of carbonate, calcium and magnesium. The permanent hardness of water is due to the chloride or sulfate ions of calcium and magnesium. Permanent hardness and temporary hardness. The health benefits are due to the presence of calcium and magnesium ions which are essential to our body. In contrast to that, it has some health benefits too. Drinking hard water may not cause damage to the body. The common magnesium mineral in hard water is dolomite, and calcite and gypsum are the major calcium minerals. These high mineral content make water hard. Hard water contains deposition of carbonate, bicarbonate and sulfate salt of calcium and magnesium. In this topic, we are studying details about hard water and soft water and the differences between hard water and soft water. Based on that difference, water can be of two types hard water and soft water. The underground water from deep wells and rainwater has some properties that are different from each other. It has no colour, no odour and is transparent. It is an inorganic chemical substance containing hydrogen and oxygen in a 2:1 ratio.
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