Basic Science : Tools Techniques QUESTIONS AND ANSWERS :: part3 : 26 to 30
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
26.A method using paper or film with different electric poles at the two ends and used for separation of charged particles is |
| Electrolysis |
| Electrophoresis |
| Electroplating |
| Thin layer chromatography |
27.Instrument for measuring Svedberg units is |
| Homogeniser |
| Photometer |
| Analytical ultracentrifuge |
| Density gradient centrifuge |
28.Microscope used for detecting defects in electrical conductors and computer chips is |
| Atomic force microscope |
| Scanning tunneling microscope |
| X-ray crystallography |
| Scanning electron microscope |
29.A thin layer of cellulose or alumina powder is used for separating chemicals in |
| Column chromatography |
| Paper chromatography |
| Thin layer chromatography |
| Partition chromatography |
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