What is meant by temporary hardness and permanent hardness?
Answers
Temporary Hardness
Temporary hardness is caused by the presence of dissolved bicarbonates of calcium, magnesium, and other heavy metals and the bicarbonates of iron.,The salts responsible for temporary hardness are Ca(HCO3)2 , Mg(HCO3)2.Temporary hardness can be largely removed by boiling when bicarbonates are decomposed yielding insoluble carbonates on hydroids.Temporary hardness is called as carbonate or alkaline hardness.
Permanent Hardness
It is due to presence of dissolved chlorides and sulphates of calcium, magnesium, iron and other heavy metals.Permanent hardness cannot be removed by boiling.
It is also known as non-carbonate or non-alkaline hardness.
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Answer:
temporary hardness can be removed permanent hardness can not be removed please mark as brainlist answer