Hard water: Water that contain high amout of dissolved minerls or ions such as calcium, magnesium etc. Soft water: Soft water is surface water that contains very low concentration of ions or minerals, e.g., Rainwater and distilled water.
Water that is free from dissolved salts of such metals as calcium, iron, or magnesium, which form insoluble deposits such as appear as scale in boilers or soap curds in bathtubs and laundry equipment.
“HARD WATER”
Water that contains salts of calcium and magnesium principally as bicarbonates, chlorides, and sulphates. Ferrous iron may also be present; oxidised to the ferric form, it appears as a reddish brown stain on washed fabrics and enamelled surfaces.
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Explanation:
Hard water: Water that contain high amout of dissolved minerls or ions such as calcium, magnesium etc. Soft water: Soft water is surface water that contains very low concentration of ions or minerals, e.g., Rainwater and distilled water.
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Answer:
Explanation:
“SOFT WATER”
Water that is free from dissolved salts of such metals as calcium, iron, or magnesium, which form insoluble deposits such as appear as scale in boilers or soap curds in bathtubs and laundry equipment.
“HARD WATER”
Water that contains salts of calcium and magnesium principally as bicarbonates, chlorides, and sulphates. Ferrous iron may also be present; oxidised to the ferric form, it appears as a reddish brown stain on washed fabrics and enamelled surfaces.
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