Chemistry, asked by pundruharshita, 1 year ago

what do u mean by permanent hardness of water

Answers

Answered by sarveshkumar83

1

Hard water contains dissolved magnesium and calcium ions. These make it more difficult for the water to form a lather with soap. Temporary hardness is caused by dissolved calcium hydrogencarbonate (which is removed by boiling). Permanent hardness is caused by dissolved calcium sulfate (which is not removed by boiling).

Answered by aditya5389

0

hard water contain dissolved magnesium and calcium ions this make it more difficult for the water to form lather with soap

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