When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?
Which of the following properties prove that cathode rays are material in nature_________________?
Paramagnetic behaviour of substance is measured by a balance called___________________?
Metallic crystals are soluble in________________?
Butyl chloride gives possible isomers ?
Which of the following solids show anisotropy___________________?
The rectified spirit is________________?
As a substance moves from a solid to a liquid all of the following changes occur except ?
Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?
Methyl alcohol is not used as___________________?