Chromatography, The process of chromatography involves passing a mixture di...

The process of chromatography involves passing a mixture dissolved in the "mobile phase" through a stationary phase, which separates the analyte which is to be measured from the ot

Boyles law, 475 ml at 54 psi to 1760 torr

475 ml at 54 psi to 1760 torr

Two similar non-metallic atoms, The electron pair which forms a bond betwee...

The electron pair which forms a bond between two similar non-metallic atoms will be: (1) Dissimilar shared between the two (2) By complete transfer from one atom to other

Value of wavelength in nanometres of a quantum of light, The value of Planc...

The value of Planck's constant is  6.63x 10 -34 Js.  The velocity of light is  3.0x 10 8 ms -1 . Which value is closest to the wavelength in nanometres of a quantum of light with

Ionic bond,

The maximum number of electrons, The maximum number of electrons accommodat...

The maximum number of electrons accommodated in 5f  orbitals are: (1) 5             (2) 10         (3) 14             (4) 18 Ans:  14

Organic chemistry, Tiffeneau-Demjanov Rearrangement examples

Tiffeneau-Demjanov Rearrangement examples

Calculate the ethanol in a light lage, 20.0 mL of 0.2 M CaCl 2 diluted wit...

20.0 mL of 0.2 M CaCl 2 diluted with water to 100.0 mL. Calculate [CaCl 2 ], [Ca 2+ ] and [Cl - ]. Produce from concentrated hydrochloric acid (12 M) 3.0 L 0.60 M HCl solution.

The energy for the first excited state of hydrogen atom, The value of the e...

The value of the energy for the first excited state of hydrogen atom will be: (1) - 13.6 ev                        (2)- 3.40 eV        (3) -1.51eV

Dumas method., what is meant by dumas methad?give its functioning and uses

what is meant by dumas methad?give its functioning and uses