Special Designs of Ion Selective Electrodes Questions & Answers
Special Designs of Ion Selective Electrodes Questions & Answers 1. Which of the following gas permeable membrane is used for ammonia gas sensing electrode? a) Silicon rubber b) Microporous Teflon…
Ammonia and Fluoride Electrode Questions & Answers
Ammonia and Fluoride Electrode Questions & Answers 1. In Ammonia electrode, diffusion of dissolved ammonia occurs through the membrane until which of the following conditions occur? a) Concentration becomes equal…
Ion Selective Electrodes Questions and Answers
Ion Selective Electrodes Questions and Answers 1. Which of the following is not the characteristic of ion selective electrodes? a) It is fragile b) Easy to use c) Available in…
Hydrocarbons Questions & Answers
Hydrocarbons Questions & Answers 1. Which of the following methods cannot be used for the estimation of hydrocarbons? a) Mass spectroscopy b) Chemiluminescence method c) Ultraviolet absorption d) Gas chromatography…
Carbon Monoxide Questions & Answers
Carbon Monoxide Questions & Answers 1. Which of the following is the full scale range of Infrared spectroscopy method used for measurement of carbon monoxide? a) 0-2 ppm b) 0-500…
Nitrogen Oxides Questions & Answers
Nitrogen Oxides Questions & Answers 1. In Saltzman method, which of the following are formed when air containing NO2Â is passed in an absorbing solution consisting of the sulphanilic acid and…
Sulphur Di-oxide Monitoring Questions & Answers
Sulphur Di-oxide Monitoring Questions & Answers 1. In West-Gaeke colourimetric procedure, the intensity of the red purple colour is measured photometically and it is proportional to the concentration of sulphur…
Ionization of Gases Questions and Answers
Ionization of Gases Questions and Answers 1. Gases emit radiation under which of the following conditions which can be used for determination of gases? a) When mixed with other gases…
Flame Emission Photometers Questions & Answers
Flame Emission Photometers Questions & Answers 1. The function of pressure regulators in emission system of flame photometer is to have a steady flame which is free from flickers. a)…
Atomic Absorption Spectroscopy Questions & Answers
Atomic Absorption Spectroscopy Questions & Answers 1. Which of the following is the principle of Atomic Absorption Spectroscopy? a) Radiation is absorbed by non-excited atoms in vapour state and are…
