A) oxalic acid
B) disodium salt of\[EDTA\]
C) sodium citrate
D) sodium thiosulphate
Correct Answer: B
Solution :
The hardness of water is estimated by simple titration of ethylene diamine tetraacetate \[(EDTA)\] solution. \[EDTA\] forms stable complexes with metal ions present in hard water.You need to login to perform this action.
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