NO2 Analyzer Questions & Answers

NO2 Analyzer Questions & Answers 1. Nitrogen dioxide can be detected with a paramagnetic analyzer. a) True b) False Answer: a Explanation: Nitrogen dioxide can be detected with a paramagnetic…

Electrochemical Methods for Oxygen Analysis Questions & Answers

Electrochemical Methods for Oxygen Analysis Questions & Answers 1. Which of the following is not true about the galvanic method of oxygen analysis? a) Electrodes are composed of noble and…

Paramagnetic Oxygen Analyzers Questions & Answers

Paramagnetic Oxygen Analyzers Questions & Answers 1. Which among the following gases have diamagnetic property (ability to be repelled by magnetic fields)? a) Oxygen b) Nitrogen c) Nitrogen dioxide d)…

Amino-Acid Analyzers Questions & Answers

Amino-Acid Analyzers Questions & Answers 1. What is the drawback that occurs in using ion exchange chromatography on sulphonated polystyrene resin and colourimetry for amino-acid analysis? a) Less accuracy b)…

pH Meters Questions & Answers

pH Meters Questions & Answers 1. pH meters can be considered as voltage sources with which of the following internal resistances? a) Very low resistance b) Moderate resistance c) Very…

Combination Electrode Questions & Answers

Combination Electrode Questions & Answers 1. In combination electrode, which of the following electrodes are built together? a) Primary electrode, secondary reference electrode b) Primary reference electrode, glass electrode c)…

Secondary Reference Electrodes Questions & Answers

Secondary Reference Electrodes Questions & Answers 1. Which of the following cannot be used as secondary reference electrode? a) Calomel electrode b) Silver-silver chloride electrode c) Mercury-mercury sulphate electrode d)…

Hydrogen and Glass Electrodes Questions & Answers

Hydrogen and Glass Electrodes Questions & Answers 1. Which of the following is not the characteristic of a reference electrode? a) It must have a known output potential b) It…

pH Measurement Questions & Answers

pH Measurement Questions & Answers 1. Which of the following is the formula for pH calculation? a) log10. b) -log10. c) log2. d) -log2. Answer: b Explanation: pH is defined…

Magnetic Wind Instruments Questions & Answers

Magnetic Wind Instruments Questions & Answers 1. Which of the following does not occur in Hartman and Braun oxygen analyzer based on magnetic wind? a) Oxygen is attracted to magnetic…