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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
Explain the Systems at high pressure - Phase Diagram? Binary phase diagrams begin to look different when the pressure is greater than the critical pressure of either of the pur
Visible range of hydrogen spectrum will contain the following series: (1) Pfund (2) Lyman (3) Balmer (4) Brackett Ans: Balmer
Sn + No3- ------- Sno2 + No2
The ionization energy of hydrogen atom is -13.6eV. The energy required to excite the electron in a hydrogen atom from the ground state to the first excited state is (Avogadro's co
names for : A , B , C , D , E , F ,..........., X , Y , Z .
The uncertainty in momentum of an electron is 1 x10 -5 kg- m/s . The uncertainty in its position will be (h= 6.62 x 10 -34 kg - m 2 / s): (1) 1.05 x 10- 28 m
name and chemical formula of blue vitriol
Q. A sample of water on analysis was found to contain the following analytical data: Mg (HCO 3 ) 3 = 16.8mg/L, MgCl 2 = 19mg/L, Mg (NO 3 ) 2 = 29.6 ppm, CaCO 3 = 20 p
A monosaccharide A has a molecular weight of 150 Da. The two stereoisomers B and C that are both optically inactive form when A reacts with NaBH4. Show all dissimilar stereoiso
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