Chemistry, asked by parekhyatharth04, 5 months ago

please explain Permanent Hardness
methods

Answers

Answered by kiranajaypsingh

Answer:

Permanent hardness is due to the presence of chlorides and sulphates of calcium and magnesium ions. This type of hardness cannot be removed by boiling. The filtrate obtained from the above step contains permanent hardness producing substances and is estimated against EDTA using EBT indicator.

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