Which of the following represents the electrodes of the first kind ?

Which of the following represents the correct order of first ionization energies ?

Which of the following choices represent the correct order of first ionisation enthalpy ?

Which of the following represents the first law of thermodynamics?

Which of the following equations represents the reaction that takes place at the cathode during the electrolysis of aqueous silver nitrate with carbon electrodes ?

Which of the following expression represents, the first law of thermodynamics ?