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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.
lmmunoglobulin G - classification of antibodies Major defence against bacteria and their toxins. It is the major Ig - 80% in the body, can cross the capillary wall very easily
Define the Rate and Depth of Breathing Do you know what the normal rate of breathing in adults is and what are the factors on which it depends? Well, the normal rate of respira
Where friction is desirable and undesirable at the same time.
Explain Specific Defence Mechanism In the section on white blood cells, we learnt that whenever a germ or infection enters our body, the WBCs snap to attention and destroy the
Explain the Formation of sedimentary rocks? Lithification refers to the processes by which loose sediments are consolidated into new rock material. One of the most common forms
What is hydrolysis Fats when boiled with water at 220°C under pressure in an autoclave, undergo hydrolysis to first form a diglyceride and then ultimately glycerol an
What is the difference among the geoid and the surface of the earth? The geoid is an visualize surface that equal with the average (mean) sea level around the world. Thus, i
what is stomach?
short notes of cholestrol
Intrusion into the Nitrogen Cycle: Human intervention can disturb the nitrogen cycle. Let us see how. When we grow and harvest crops. there is loss of nitrogen from the soi
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