The most common constituents of alkalinity in natural water are measur – McqOptions

MCQOPTIONS

1.	The most common constituents of alkalinity in natural water are measured by titrating the water sample with 0.02 N H2SO4 using ______
A.	Phenolphthalein and methyl orange indicators
B.	Ferrion and phenolphthanlein indicators
C.	Methyl orange and erichrome black T indicators
D.	Erichrome black T and Ferrion indicators
Answer» B. Ferrion and phenolphthanlein indicators

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