Science part 1 odd man out banks. all odd man out available. If you want answer of that so contact me. 1. F , K , Cl , I 2. Lithium, Sodium, Magnesium, Potassium 3. Beryllium, Helium, Neon, Argon 4. Gallium, Scandium, Germanium, Calcium 5. Boron, Arsenic, Germanium, Gallium 6. Dobereiner, Newland, Mendeleev, Moseley 7. Fluorine, Boron, Bromine, Chlorine 8. Carbon, Calcium, Oxygen, Neon 9. Potassium, Magnesium, Calcium, Beryllium 10. Beryllium, Magnesium, Carbon, Oxygen 11. Voltmeter, Ammeter, Galvanometer, Electric motor 12. Loud speaker, Magnet, Microphone, Electric motor 13. Fuse wire, bad conductor, Rubber gloves, Generator 14. Tungsten, Nichrome, Aluminium, Iron 15. Boiler, Electric stove, Electric bulb, Electric bell 16. Temperature, Conduction, Convection, Radiation 17. cal/g, cal/g°C, Kcal/Kg°C, erg/g°C 18. Joule, erg, Calorie, Newton 19. Rainbow, Earthquake, Sunset, Sunrise 20. Focal length, Radius of curvature, Image distance, Size of Image 21. Simple Microscope, Compound...