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During a flame test why is calcium''s flame not persistent, while that of strontium is?
Ans) Because it does not have many ions as compared to the Strontium. It is the ions which produce color.
Hydride generation method: The hydride generation method of sample enhances the detection limits by a factor of 10 to 100 by converting the analyte element into a volatile hyd
Q. Show the characteristic baked flavour bread? Bread has its own characteristic baked flavour. This flavour diminishes with shelf life. A freshly baked bread would have intens
tell me about liquification of gases in detail but in most easy words
What kind of relation is there between them and the force constants of vibration that you have calculated? The enthalpies of vaporization of carbon and silicon are 717 kJmol -1
Q. Show the Colour of actinides and lanthanides Ions? Ions of actinides and lanthanides are coloured in the solid state as well as in aqueous solution, as is the case with the
The diffraction of x-ray by a crystal gives 1st order ref at 14•12'' if lattice dist is 3.14 A• wht is the wavelength of x-ray
advantages of reversible reaction
Write the similarities of lithium with other alkali metals
Explain the mechanism of fluid film or hydrodynamic lubrication.
The frequency corresponding to transition n= 2 to n =1 in hydrogen atom is: (1) 15.66 x 10 10 Hz (2) 24.66 x 10 14 Hz (3) 30.5
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