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explain law of equivalence..
How many unpaired electrons are present in Ni 2+ cation (atomic number = 28): (1) 0 (2) 2 (3) 4 (4) 6 Ans: 2
limitation of vbt
CLARK'S METHOD OR SOAP TITRATION METHOD: This method depends upon the fact that when soluble soap is added to hard water, constituent of hard water. Ca, Mg and other heavy metals
a 60.0g sample of water initially at 40.0 degree celcius is heated and converted to steam at 100 degree celcius. how much heat has been supplied to the sample during the pross. giv
An element X with the electronic configuration 1s 2 , 2s 2 , 2p 6 , 3s 2 , would be expected to form the chloride with the formula: (1) XCl 3 (2) Xcl 2 (3) XCl
The role of prion in BSE
its principle
Q. Describe about atomic number? It is significant to be able to obtain useful information from the periodic table. Beginning with the simplest element hydrogen the periodic ta
Rutherford's alpha particle scattering experiment eventually led to the conclusion that: (1)The point of impact with matter can be precisely determined (2)Electrons occupy s
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