which one of the salt is not responsible for the permanent hardness of water?
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28
Answer:
Bicarbonates of calcium and magnesium, chlorides and sulphates of calcium and magnesium are responsible for temporary and permanent hardness respectively.
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3
Answer:
Bicarbonates of calcium and magnesium, chlorides and sulphates of calcium and magnesium are responsible for temporary and permanent hardness respectively.
There are two types of water hardness, temporary and permanent. Permanent hardness is due to calcium and magnesium nitrates, sulphates, and chlorides etc.
Water is said to have attained hardness if calcium and magnesium carbonates or sulphates have dissolved in it. However, sodium chloride is one salt I know that doesn't cause hardness in water.
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hope it helps you mate
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