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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?
Specific gravity and pH of Urine Normally, the first morning urine has a specific gravity of 1.015 to 1.020. Normal urine is usually slightly acidic with a pH of about 6.0.
Explain maintaining the pH Balance You must be aware of the term pH. PH we know provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 i
Some Features of the Forests: Forests are the most widespread stretches of vegetation, harbouring diverse kinds of life forms. They are dominated by trees. Besides trees, f
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what is thermal velocity ofa material
why do we get shock when we touch an open wire?
Explain the Adrenal Medulla The adrenal medulla secretes epinephrine or adrenaline and norepinephrine or noradrenaline. The secretory cells of the medulla are modified postgang
Locate Polaris, the North star, and comment on it's elevation over the Northern horizon. Using the keyboard controls (J, K and L keys), fast forward the program 6 - 12 hours and c
International economic order: The developing countries mostly threw off the colonial yoke in the 1940s and 1950s, and ever since they have been struggling to stand on thei
Fits : Fits of various kinds may be accompanied by unconsciousness, and are usually characterized by the casualty being unaware of his/her reactions. You should remember the follo
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