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…

Analyzers Based on Gas Density Questions & Answers

Analyzers Based on Gas Density Questions & Answers 1. Which of the following is the relationship between density of ideal gas and its molecular weight? a) Directly proportional b) Inversely…

Chromatography Questions & Answers

Chromatography Questions & Answers 1. Chromatography is a physical method that is used to separate and analyse __________ a) Simple mixtures b) Complex mixtures c) Viscous mixtures d) Metals Answer:…

Operation of Chromatography Questions & Answers

Operation of Chromatography Questions & Answers 1. Which of the following steps takes place after injection of feed in Column chromatography? a) Detection of components b) Separation in column c)…

Chromatographic Behaviour of Solutes Questions & Answers

Chromatographic Behaviour of Solutes Questions & Answers 1. How is molar concentration of solute in stationary phase related to molar concentration of solute in mobile phase? a) Directly proportional b)…

Column Efficiency and Column Resolution Questions and Answers

GC Column Efficiency and Column Resolution Questions and Answers 1. Which of the following is the distance that the solute moves while undergoing one partition? a) Retention distance b) Distribution…

Gas Chromatography Questions & Answers

Gas Chromatography Questions & Answers 1. For the separation of which of the following substances, Gas-solid chromatography is being used? a) Thermally stable organic components b) Volatile organic components c)…