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why do soap not work in hard water ?
If electron falls from n=3 to n= 2 , then emitted energy is: (1) 10.2ev (2) 12.09 ev (3) 1.9ev (4)0
Steam supply for experiments in heat A tin with a press-on lid may be used to make a steam can. Punch two holes in the lid and solder by them one long and one short pip
Reaction of conjugate addition This reaction is a "conjugate addition" of cyanide ion on a cyclopropane. Notice that reaction at the least branched carbon of the cyclopropane
The set of quantum numbers not applicable for an electron in an atom is: (1) n= 1, l=1, m 1 = 1, m s = +1/2 (2) n= 1, l=0, m 1 = 0, m s = +1/2 (3) n= 1, l=0 m
it is impossibe to synthesise orgnic compounds in the lab since life force is essential for their formation -theory is known as
Q. Explain about beta radiation? The second common kind of radiation is beta radiation which consists of high-energy electrons called beta particles (β -particles).
Types of Elimination reactions Elimination reactions are divided into two general categories, (A) α - elimination reactions or 1, 1-elimination reactions. (B) β - elimin
where is the asterisk located
The postulate of Bohr theory that electrons jump from one orbit to the other, rather than flow is according to : (1) The quantisation concept (2) The wave nature of elect
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