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What is the permanent hardness of water? How can it be removed?
What is the permanent hardness of water? How can it be removed?
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Solution
The Hardness is due to the presence of chloride and sulphate salts of calcium and magnesium is known as the permanent hardness of the water.
The hardness of water can be removed by Adding Washing Soda and by distillation.
The Hardness is due to the presence of chloride and sulphate salts of calcium and magnesium is known as the permanent hardness of the water.
The hardness of water can be removed by Adding Washing Soda and by distillation.
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