how can we test hardness of water
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Water hardness can be easily measured using a simple soap test kit that will measure in "grains ofhardness" (a little bottle with a line marked on it which you fill to the line with water, add a drop of soap, and shake to look for suds. More drops of soap - more degrees of hardness
preetambhat12:
Or when if h+ ions will dissociate then it is soft water
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