An emf of the order of mV is generated when two solutions of different – McqOptions

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1.	An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a$?
A.	PH meter
B.	Polarimeter
C.	Chromatograph
D.	Polarograph
Answer» B. Polarimeter

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