Question

47. Which one of the following complexing agents is used for the estimation of hardness of
a Cyanide
C) EDTA
b) Pyrophosphate
d) Ethylene diamine​

Answer 1

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Which one of the following complexing agents is used for the estimation of hardness of Ethylene diamine.

(A) Cyanide

(B) Pyrophosphate

(C) EDTA

(D) Ethylene diamine

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(D) Ethylene diamine.