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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.
Define EDTA Titrimetric Method for Estimation of Calcium? The amount of calcium in any sample can be estimated by EDTA titrimetric method. The principle behind this method is d
Burns : There are two types of burns which we are to discuss: 1) Chemical 2) Thermal Chemical burns have already been discussed in Sec. 16.7; so we shall discuss thermal
Lab hygiene : The need for continuous attention to hygiene in any type of laboratory cannot be overemphasised. Any spillage of chemicals, battery acid, blood, plasma, serum, etc.
A simple equal-arm lever Make a wooden base 15 cm square and 2 cm thick. In the centre of the base fasten one more block of wood 4 cm square and 3 cm thick. Fasten to two sides
Will we ever go beyond The Milky Way to explore other galaxies?
Determine in brief about the soil texture The texture is generally determined by the relative proportions of sand, silt and clay. If various size fractions of the particles co
describe the factors which decide the broad area of scientific activity
Where to find fossils In some localities fossils may be found in stone quarries or where there are rock out- crops. Try to search someone in the community who knows about fossi
what is the speed and velocity of a car that travels 32 meters to the east and 12 meters in the same direction? the total time of travel in 3.0 seconds
Which theory focuses on how people are different than animals? Functionalism Eclecticism Humanism Behaviorism
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