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Hard Water L.O: To know what makes water hard, and the pros and cons associated with this. - ppt download
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Permanent hardness is due to presence of soluble salts of Mg and Ca in the form of chlorides and sulphates in H2O . It can be removed by:
The Benefits And Detriments Of Boiling Water
How Pure Is Your Boiling Water
Temporary hardness maybe be removed from water by adding?
Treatment of water
The permanent hardness of water can be removed by boiling the water with:
Does Boiling Hard Water Make It Soft? – Water Treatment
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3 Ways to Soften Hard Water - wikiHow
What is "Hard" Water and why do we need to remove Water Hardness? — Steemit
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removal of permanent hardness of water by washing soda method - YouTube
HARD WATER AND SOFT WATER - ppt video online download
Which method can be used to remove BOTH temporary and permanent hardness of water together?
30. Water and Sewage treatment. Hardness in water Def: Water is said to be hard when it is difficult to form a lather with soap. It is caused by the presence. -
What is "Hard" Water and why do we need to remove Water Hardness? — Steemit
