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Co-ordination covalent bond is produced by the mutual sharing of pair of electrons among two atoms contributed by only one of the combining atoms.
Basics of Periodic Table.
What Sort of Panel Is Required for Acceptance Tests? Consumer panels are the best group to use for evaluating the acceptability of a product or a range of products because the
Electrophilic Addition Reactions (A) Such types of reactions are generally provided by alkynes and alkenes. (B) Electrophilic addition reactions of alkynes and alkenes are m
The nucleus of an element contains 9 protons. Its valency would be : (1) 1 (2) 3 (3) 2 (4) 5 Ans: 1
Physical Properties of Benzoic Acid (a) Benzoic Acid is a white crystalline solid. (b) Benzoic Acid has m.p. 394 K. (c) Benzoic Acid is sparingly soluble in cold water bu
Perfumes: Perfumes are the matters, utilized to provide fragrance. Several requirements must be fulfilled to make use of a good perfume and any material, that just offers good
The Vermont Wind Assessment Program led by Vermont Tech has measured the wind velocity at 25 locations in the state of Vermont in 2005 and 2006 . The results are provided in the
The energy of second Bohr orbit of the hydrogen atom is -328 kJ mol-1, hence the energy of fourth Bohr orbit would be: (1) - 41 kJ mol -1 (2) -1312 kJ mol -1 (3) -164
Copper=54.1%, oxygen=20.1% and the balance sulfur. Could this also be the molecular formula? What other data is needed?
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.
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