Solapur-University-M.Sc-AGPM-(Semester-II)-2019-On Analytical Techniques For Agrochemicals
Sr. No. | Questions with multiple options |
1. | The technique of chromatography was first time used by __
(a) Michael Tswett (b) Sorenson (c) Fleming (d) Faraday |
2. | In gravimetric estimation of iron, _________ hydroxide reagent is used.
(a) Sodium (b) Barium (c) Ammonium (d) Potassium |
3. | In Acid-base titration which indicator is used _____
(a) Phenolphthalein (b) Erichrome Black-T (c) Methylene blue (d) None of these |
4. | All chromatographic techniques are based on the principal of _____
(a) Electrtolysis (b) Separation (c) Salvation (d) Precipation |
5. | The process of extracting a small portion from a large quantity of material representing its true composition is called _______
(a) Sampling (b) Extraction (c) Qualitative analysis (d) Quantitative analysis |
6. | Quinhydrone is _______ mixture of quinine & hydroquinone.
(a) 1:2 (b) 1:1 (c) 2:3 (d) 3:5 |
7. | The titrations in which end points are determined by emf measurements are called _______ titration.
(a) Coductometric (b) Colorimetric (c) Potentiometric (d) metric |
8. | ______ electrode is the reference electrode.
(a) Glass (b) Hydrogen (c) Plantinum (d) Quinhydrone |
9. | When a molecule rotates a plane of the plane polarized light in anticlockwise direction, it is known as _______ compound.
(a) Meso (b) Dextro rotator (c) Laevo rotator (d) None of these |
10. | In polarography, specific rotation depends on _______
(a) Temperature (b) Concentration (c) Wavelength (d) All of these |
11. | The colour change property of an acid indicator depends on _____
(a) of solution (b) Structural arrangement (c) Ionization of indicator (d) All of these |
12. | In flame photometry the temperature of the flame can be controlled by _____
(a) Type of fuel- oxidant (b) Type of burner (c) Ratio of fuel- oxidant (d) All of these |
Data Collected By – K. Jeyanthi | |
Published on 31st Oct 2021 | |
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