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The frequency of an electromagnetic radiation is 2x 10 6 Hz. . What is its wavelength in metres : (Velocity of light = 3x10 8 ms -1 ) (1)6.0x 10 14
How do impurities and temperature affect electrical resistivity of metals? Ans: Temperature effect on resistivity: Any increase in temperature of a conductor increase
(a) Describe how you would carry out a series of experiments to determine the molar conductivities (Λ m ) of an electrolyte at various concentrations, starting with the measurement
Ask question #The first-order rate constant for the decomposition of dimethyl ether is 3.2 ? 10 -4 s -1 at 450 o C. The reaction is carried in a constant volume flask. Initially on
5Mol K+
what is the order of solubility of alkali metal hydrides and halides
Calculate the theoretical voltage of the following galvanic cell: Ni|10^-3 mol/l Ni(NO3)2 || 1 mol/l AgNO3|Ag. Write the equations for the half reactions of this cell.
Bohr's radius can have: (1) Discrete values (2) +ve values (3) - ve values (4) Fractional values Ans: +ve values
Q. Analytical tests for fats and oils? The analytical tests used in fats and oils are to: • determine the nature of fat or oil or the blends to see whether it is of the typ
what the uses of NH4Cl,NH4OH and HCL,H2S in qualitative analysis?
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