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Chemical Engineering · Q18

Process Control And Instrumentation

Engineering and GATE · Chemical Engineering · question 18

Q18

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
Answer
B.
Polarimeter
C.
Chromatograph
D.
Polarograph

Answer: Option A

Solution

Answer: Option A
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