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Fortin type barometer
A simple Fortin type barometer can be improvised for the junior laboratory. The glass tube is held vertically with single end in the reservoir by two curtain-rod holders on wooden blocks, fixed to the back board, which is a part of 18 cm by 2.5 cm white- wood. The reservoir is a potted meat jar or small beaker, which can be enthused bodily up or down by the screw jaw of a G-clamp. This changes the level of the mercury and keeps it in contact with the bottom of the scale. The reservoir is stopped from slipping sideways by a brass collar, fitting loosely and attach to the back board.
How to make a filter A plant pot with a plug of cotton wool in the bottom and a layer of sand a few inches deep makes a satisfactory filter for many purposes. Make some mudd
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difference between autotrophic and heterotrophic succession
Life in Atmosphere: Just like the earth, the atmosphere also sustains life. Various types of insects and mites, birds, bats and other organisms are some of the forms tha
Disposal of Unserviceable and Obsolete Items : Every institution may have evolved its own procedure for the same. Generally the following procedure is used for the disposal of uns
Explain the acid/base balance of our blood changes This acid/base balance of our blood changes in response to many things. These include: Diet: the diets that are rich in
Explain the Functions of Mineralocorticoids Aldosterone is the name given to the main physiological mineralocorticoid. As you go through the functions listed below, you will re
if 120g of a 6% sucrose solution are needed, what mass of sucrose is required to prepare the solution?
Lifting things with compressed air Remove the bladder from a soccer ball or basket ball and place it on a table. Pile some books on the bladder and then blow into it.
Water Borne Diseases: Diseases like cholera and typhoid, as well as diarrhoea and dysentery, are spread through water. Germs of these diseases multiply in the gut of the inf
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