Question

व्हाट आर द रीजंस ऑफ़ टेंपरेरी एंड परमानेंट हार्डनेस ऑफ वॉटर​

Answer 1

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• Temporary hardness of water is due to the presence of soluble salts of magnesium and calcium in the form of hydrogen carbonates (MHCO3,whereM=Mg,Ca) in water
• Permanent hardness of water is because of the presence of soluble salts of calcium and magnesium in the form of chlorides in water.

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