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why does the periodic table useful to scientist
where does transport take place
RADIATION HAZARDS : We are sure that you would have studied about electromagnetic radiation during your studies at the school. You would recall that in electromagnetic radiatio
Floating a razor blade Secure a used razor blade of the double edge type. Try floating it on the surface of water. Again watch the surface and see if the surface film dips unde
Blowing soap bubbles Soap films and bubbles serve very well for observations on surface tension. You can make a good soap bubble solution by placing three level tablespoonfuls o
An aneroid barometer The corrugated rubber tube from a gas mask, or a cycle grip, can be used to make a model aneroid barometer. No huge accuracy is to be expected due to the m
Decarboxylation: Amino acids undergo decarboxylation reaction, enzymatically or by treatment with heat, acid or alkali (barium hydroxide) to form the corresponding amines
factors which decide the broad area of Scientific activity
Homo Habilis-The First Tool Makers: One of the most important developments in human evolution was the dramatic expansion in brain size which, according to the fossil data
a. A point source of 60 Co emits equal numbers of photons of 1.17 and 1.33 MeV giving a flux density (i.e. fluence rate) of 5.7 * 10 9 photon cm -2 s -1 at a specified location
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