A water sample is said to contain permanent hardness if water contains

1.	A water sample is said to contain permanent hardness if water contains
Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/sulphates-1234316" style="font-weight:bold;" target="_blank" title="Click to know more about SULPHATES">SULPHATES</a> and chlorides of <a href="https://interviewquestions.tuteehub.com/tag/calcium-412119" style="font-weight:bold;" target="_blank" title="Click to know more about CALCIUM">CALCIUM</a> and magnesium<br/>carbonates of calcium and magnesium<br/>bicarbonates of calcium and magnesium<br/>sulphates and chlorides of sodium and potassium.</p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/permanent-590817" style="font-weight:bold;" target="_blank" title="Click to know more about PERMANENT">PERMANENT</a> hardness of <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> is due to sulphates and chlorides of calcium and magnesium.</body></html>

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