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In dissolved oxygen analyser, the electrometer consists of which of the following solutions?(a) Calcium hydroxide solution(b) Magnesium hydroxide solution(c) Potassium hydroxide solution(d) Calcium oxide solutionI had been asked this question in a job interview.Asked question is from Dissolved Oxygen Analyser topic in portion Dissolved Component Analysers of Analytical Instrumentation

Answer»

Correct answer is (C) Potassium hydroxide SOLUTION

For EXPLANATION I would say: In dissolved oxygen analyser, the electrometer consists of potassium hydroxide solution. It PRODUCES HYDROGEN due to the electrolysis process.



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