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Atoms in the water molecule are linked by:
(1) Electrovalent bond
(2)Covalent bond
(3) Coordinate covalent bond
(4) Odd electron bond
Ans: Covalent bond
The series limit for Balmer series of H-spectra is: (1) 3800 (2) 4200 (3) 3646 (4) 4000 Ans: 3646
A single-effect evaporator is used to concentrate 60000 kg h-1 of a 40 wt % NaOH solution which is fed to the evaporator at 40°C. The concentrated liquid is a 55 wt % NaOH solut
energy of electron in hydrogen atom
Rubber - polymer It is a polymer that is able of returning to its original size, shape or length later than being deformed or stretched. It a kind of elastomer. Rubber is of tw
what are ion? under what conditions are they produced?
Q. Place these types of light in order from highest to lowest energy. Infrared light, ultraviolet, radio waves, microwaves, green light? Ans: Highest Energy radio waves
Coordination complexes are so pervasive that the structure and reactions are defined in many ways, sometimes confusingly. The atom within a ligand that is bonded to the central ato
does adding hcl to acetic acid and sodium acetate = more acid consumption r spodium consupmtion?>
assignment
explain about law of chemical combinations in about 200 words?
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