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The de-Broglie wavelength of a particle with mass 1gm and velocity 100m/ sec is: (1) 6.63 x 10 -53 m (2) 6.63 x 10 -34 m (3
what is woodwards rule
When 100ml of M/10 h2so4 is mixed with 500 ml of M/10 naoh then nature of resulting solution and normality of excess of reatant left is 1)Acidic,N/5 2)basic ,N/5 3)Acidic,N/20 3)ac
Use the VSEPR model to predict approximate molecular geometries and electron-domain for the following species. (a) XeF 2 , (b) NH3Cl + , (c) BrO2 -
the set of numerical coefficients in the equation K2CrO4+HCl=K2Cr2O7+KCl is
classify the reaction.Na2CO3(s) + SiO2(s) ? Na2SiO3(l) + CO2(g)
how is it solved?????????
The number of electrons in the valence shell of calcium is: (1) 6 (2) 8 (3) 2 (4)4 Ans: 2
CAN BOHR MODEL EXPLAIN THE SPECTRUM LINE OH HYDROGEN ATOM?
Q. Scientific Notation and Dimensional Analysis? Very small and extremely large numbers can be compared more easily when they are converted into a form called scientific notati
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