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a solid weak acid i weighed, dissolved in water and diluted to exactly 50ml. 25ml of the solution is taken out and is tittrated to a natural endpoin with .10M NaOH. The titrated po
The number of quantum numbers required to describe an electron in an atom completely is: (1) 1 (2) 2 (3) 3 (4) 4 Ans: 4
H2,Li2,B2 each has bond order equal to 1 , the order of stability is
Neutrons are found in atoms of all elements except in: (1) Chlorine (2) Oxygen (3) Argon (4)Hydrogen Ans: Hydrogen
Illustrate ib brief about the Single crystal growth Single crystals are grown either by Czochralski (CZ) method or by Float Zone (FZ) method. It comprises a furnace with a gra
how to balance chemical eqations
If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Solution) There is a formula for this i.e [ (n 2 - n 1
i need to know the answer for dis-advantage of scale and sludge
trivalent acid and basic radicals
Making a model hydraulic elevator Some freight and passenger elevators are increased by water pressure. You can make a model of one of these with an automobile hand pump. Conne
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