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The frequency of a wave of light is 12x 10 14 s -1 . The wave number associated with this light is: (1) 5x10 -7 m (2) 4x 10 -8 cm -1
What is the packet of energy called: (1) Electron (2) Photon (3) Positron (4)Proton Ans: Photon
2 Kg of ice at -20 degree C is mixed with 5Kg of water 20 degree C in an insulating vessel containing negligible heat capacity. Measure the final mass of water remaining in the con
principle or radiometric titration
Calculate the mass of sodium chloride: Problem: Let us calculate the mass of sodium chloride in a solution containing 24 Na (half-life, 15 h) whose activity is 5.7 mCi
reactions in a mercury button cell
Nomenclature of organic compounds - Trivial System The meaning of Nomenclature is assignment of names to organic compounds. There are two major systems of nomenclature of org
Q. Isolation and purification of metals? metals as a group of elements have acquired a unique importance in the modern world. However, nature' does not generally offer us metal
Basic radical chemical analysis?
Test of proteins - Biuret test (i) Biuret test : By adding a dilute solution of copper sulphate to alkaline solution of protein, a violet colour is made. This test is because o
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