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Hardness of water is due to the presence of:
  • a)
    Potassium salt
  • b)
    Calcium and magnesium salts
  • c)
    Non-metals
  • d)
    Sodium salt
Correct answer is 'B'. Can you explain this answer?
Verified Answer
Hardness of water is due to the presence of:a)Potassium saltb)Calcium ...
Permanent hardness in water is hardness due to the presence of the chlorides, nitrates and sulphates of calcium and magnesium, which will not be precipitated by boiling. The lime scale can build up on the inside of the pipe restricting the flow of water or causing a blockage.


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Hardness of water is due to the presence of:a)Potassium saltb)Calcium ...
B
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Hardness of water is due to the presence of:a)Potassium saltb)Calcium and magnesium saltsc)Non-metalsd)Sodium saltCorrect answer is 'B'. Can you explain this answer?
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