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Basics of Periodic Table.
I don''t understand the concept of normality and gram equivalent
A student attempting to sulfonate styrene (vinyl benzene) obtains a by product that contains neither sulfur nor oxygen atoms. Efforts to nitrate styrene yield identical results. Of
The valency of phosphorus in H3 PO 4 is: (1) 2 (2) 5 (3) 4 (4) 1 Ans: 5
explain heat as internal energy as state function
A medicine dropper is an instrument used to calculate small amount of liquids, usually in milligrams.
During a titration with EDTA, using eriochrome black T as indicator to determine Ca 2+ , an analyst obtained the following volumes of EDTA in three different trials: 5.01, 4.93 an
In polar covalent molecule, one atom gets positive charge and the other one takes negative charge as known as dipole.
explain the notion of environmental analytical chemistry
CARBON, SILICON AND GERMANIUM With the valence electron configuration s 2 p 2 the nonmetallic group of elements 14 may form compounds with four tetrahedrally directed covalent
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