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Air expands when heated
To show that air expands when heated, fit an electric light bulb flask or a bottle with a single- whole stopper or cork which has a 30-cm length of glass tubing or a soda straw by it. Place the end of the tube in a small bottle of water. Heat the flask and view what happens. Heat the flask until a considerable amount of air has been separated and then cool the flask by pouring cold water over it or by rubbing with a piece of ice.
A lamp chimney force pump Replace the piston in the lift pump explained above with a one-hole stopper. Fit the piston rod by the hole. Fit the bottom of the chimney with a two-
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
1. The red shift seen in all distant galaxies, whose size is proportional to its distance from us, what effect will this have on planet Earth?
Explain Haemopoietic function Gastric juice contains the intrinsic factor, which is essential for the absorption of vitamin B 12 . Vitamin B 12 present in food combines with i
what chemistry
Explosives : These include the commercial explosives, preparations and substances used as blasting agents, ammunition, fireworks etc. Some examples are, gun powder, chlorate mixtu
Explains Osmotic Pressure – Functions of plasma proteins Plasma proteins exert an osmotic pressure of 25 mm Hg, which helps in maintaining plasma volume. The osmotic pressure e
Explain the Urinary Bladder The urinary bladder is a sac, which acts as a reservoir for urine. You would realize that the size and position of the urinary bladder varies depend
Consider the following differential equation: t 2 x''+ 5 t x' + (3 + 2 t) x = 0 a. Show the steps needed to derive the recursive formula for the coefficients of the pow
FIRST AID TREATMENT FOR SHOCK : Some degree of shock is produced in most accidents. Shock is associated with changes in the system of blood circulation varying from temporary
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