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Making a 'gusher' with compressed air
Secure a large narrow-necked bottle like as is used for soda water. Place a single-hole stopper in the bottle. By the stopper put a 10- cm length of glass tube which has been drawn to a jet on the outside end. With a short length of rubber tube join a length of glass tube that will extend nearly to the bottom of the bottle. Fill the bottle about half full of water. Insert the stopper firmly and hold it in with your fingers. Next blow hard into the bottle; and when you free the pressure, point the bottle away from you. What happens?
Acute and Chronic Effects : The effects of accidents due to chemicals are severe and immediate on the human body. These effects are called acute effects and can be traced without
Define Minerals - Calcium, Phosphorous and Iron? Minerals are inorganic substances. This means they are not formed by living matter and contain no carbon. Minerals used in the
Explain the Urea Cycle ? From our discussion above, it is clear that the amino group of all amino acids is ultimately converted to ammonia (NH3). Ammonia is highly toxic to th
Photosynthesis: Carbon dioxide + water + solar energy + minerals -> food + oxygen Food made during photosynthesis may later be used for energy by the plant itself, or by a
Determine the role of microflora in the soil The microflora in the soil play an important role in the decomposition of dead plants and animal and the recycling of nutrient. Li
STERILIZATION OF GLASSWARE Activity is related activities. Whenever you require the glassware for doing an experiment you can follow the procedure given in Activity independent
Beyond the milky Way Galaxy: Let us now move away from the Earth and venture into the space beyond. If we were at a point far out in space we would see scattered in space, a
Explain the factors that influence Glomerular Filtration Rate These include: 1) Renal blood flow: A large proportion of blood flows into the glomerulus. The greater the rate
The Feudal Society: The economic basis of the feudal system was land, and the village was its economic unit. The feudal economy was dependent on local agricultural production
what are details on fermentation technology?
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