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Q. Early Theories of Matter?
In ancient Greece philosophers discussed the nature of matter. The philosopher Democritus held that matter was composed of elementary particles called atoms in otherwise empty space. Over two thousand years would pass previous to the existence of the atoms was proven.
Draw the IR spectra of pyridine
Concentration of electrons in the conduction band At equilibrium, there is no net current flowing across p-n junction. Concentration of electrons in the conduction band in cond
what is the relation between gram atomic mass and avogadro''s no ?
I want to know how to calculate hybridisation of an atom in a given compound like I want to calculate hybridisation of Boron & Oxygen in this boric acid compound H 3 BO 3 I even w
Mining of petroleum and Petroleum refining (1) Mining of petroleum: Petroleum deposits takes place at varying depth at different places ranging from 500 to 15000 feet. This is
Q. Describe Lime-soda method for softening of hard water. Discuss the advantages of the process and the chemistry involved in it.
The two electrons in K sub-shell will differ in : (1)Principal quantum number (2)Azimuthal quantum number (3)Magnetic quantum number (4)Spin quantum number Ans:Spin
free energy and spontaeity
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how can we identify the ammonical smell and punjent smell?
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