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…
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)…
