MEDIUMMCQ SINGLENEET ChemistryInorganic ChemistryHydrogenPrevious Year Questions
The hardness of water is estimated by (Manipal 2004)
A.EDTA method✓ Correct
B.titrimetric method
C.conductivity method
D.distillation method
Explanation
Ethylene diamine tetraacetate (EDTA) when treated water forms stable complex with metal ions and hence, used to measure hardness of water.
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