The froth floatation process is used for the concentration of

A moving electron has 4.55 x 10^-25 joules of kinetic energy. The wavelength of the electron is (mass = 9.1 x 10^-31 kg and h = 6.6 x 10^-34 kg m² sec^-1)

For the reaction A(g)⇔B(g)+C(g),K_p at 400⁰C is 1.5x10^-4 and K_p at 600⁰C is 6x10^-3 Then the incorrect statement is

The ratio of radii of first orbits of H, He⁺ and Li⁺² i

The value of Kc for the reaction N₂+3H₂ ⇔2NH₃ depends on

The value of Kp for the reaction 2AB(g)⇔2A(g)+B2(g) is 1.2x10-2 at 1065oC.The value of Kc for this reaction is

Molar conductivity of a solution 1.26 x 10²Ω^-1cm²mol^-1 ,its molarity is 0.01.its specific conductivity will be

Anhydrous Magnesium chloride can be prepared by heating MgCl₂.2H₂O

The molar conductance of HCl,NaCl and CH₃COONa are 426,126 and 91Ω^-1cm²mol^-1 Respectively. The molar conductance for CH₃COOH is

Oxidation number of oxygen in OF₂ is