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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.
volcanization methiods
electrode system
The Ca 2+ and Mg 2+ ions in hard water form scum with soap. Therefore they don''t form lather and therefore don''t clean the dirt.
determination of lattice energy
Which type of compounds show high melting and boiling points: (1) Electrovalent compounds (2) Covalent compounds (3) Coordinate compounds (4) All the three types of co
What is basically Gibb''s free energy change?Why it is required and How is related to spontaneity of a chemical reaction ? Ans) The energy associated with a chemical reaction t
Explain oriental polarisation. Orientational Polarisation: When two different atoms form a chemical bond, one of the two is more probable to part with one or more of valence
beer Lambert law principal
OXYGEN Oxygen is the second most electronegative substance after fluorine, and forms thermodynamically stable compounds with usually all elements. It rivals fluorine in the abil
prperties of s block elements?
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