| 41. | It also reacts with the other halogens and absorbs hydrogen.
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| 42. | There are many situations where halogen lamps are dimmed successfully.
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| 43. | Methods were developed for the selective formation of C-halogen bonds.
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| 44. | A large number of pharmaceuticals contain halogens, especially fluorine.
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| 45. | Tin forms dihalides and tetrahalides with all halogens except astatine.
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| 46. | Oxidants include halogens, ozone, hydrogen peroxide and oxides of nitrogen.
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| 47. | The H1 lamp was the first tungsten-halogen headlamp light source.
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| 48. | Electrical heating coils or infrared halogen lamps are used as heating elements.
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| 49. | Halogen torch�res usually have a TRIAC dimmer circuit built into the stem.
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| 50. | It is the least stable of the halogen ( VII ) oxoacids.
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