Which of the following compounds will be suitable for Kjeldah1’s method for nitrogen estimation?
Which of the following represents the correct order of increasing first ionization enthalpy for Ca, Ba, S, Se and Ar?
As an electron makes a transition from an excited state to the ground state of a hydrogen - like atom/ion :
At present, a firm is manufacturing 2000 items. It is estimated that the rate of change of production P w.r.t. additional number of workers x is given by
3 g of activated charcoal was added to 50 mL. of acetic acid solution (0.06N) in a flask. After an hour it was filtered and the strength of the filtrate was found to be 0.042 N. The amount of acetic acid adsorbed (per gram of charcoal) is :
For gaseous state, if most probable speed is denoated by C∗, average speed by C and mean square speed by C, then for a large number of molecules the ratios of these speeds are: