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Ultraviolet Radiations : The ultraviolet (UV) light has higher energy than visible light. Hydrogen lamps, deuterium lamps and other sources of ultra-violet are used for a variety of purposes in physical, chemical and biological laboratories. These applications include spectroscopy. The sterilisation of instruments, the initiation of chemical reactions and the detection of purines and other substances which fluoresce when irradiated with UV light in chromatography and other separation techniques. Ultraviolet sources may be recognised by their intense pale blue illumination, for example mercury vapour lamps and high voltage sparks and arc emitted at the time of welding.
How water can be decomposed You will require a six-volt storage battery or accumulator or a battery of six dry cells for this interesting experiment. Take away the insulation f
Explain in brief about the Laterite soils These soils are derived from the subaerial weathering of several types of rocks, both basic and acid under climatic conditions of alte
what is ecology
1.Explain the importance of social stratification and the assumptions that underlie the concept. 2.Choose one influential sociological theory and explain its view of stratificat
what is meaning of solid'' liguid'' gases?why eresers float in water?why deos paper sink in water?
how i can get the nams of all the body of the human
2. Explain why KB has a low level of serum ketoacids? (4 points)
Decline of the Bronze Age Civilisation: We find that the great developments in production methods that came with the rise of early cities lasted only f6r a few centuries. The
Food fads: You may have picked up the idea from your family or friends that certain combinations of food can be dangerous for your health. For example, fish and milk or ra
4 light years( its distance is0
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