Which gas is liberated in Dumas method?

Which gas is liberated in Kjeldahl's method?

Schiffs nitrometer used in Dumas method for nitrogen estimation contains

Which is the gas liberated at the anode during electrolysis of water?

In what form is nitrogen estimated in the Dumas method?

Which is the gas liberated when metals react with dilute acids?

Which is the gas liberated when metals react with dilute acids?

Electrolysis of molten Sodium Chloride (NaCI) is conducted: Which is the gas liberated at the positive electrode during electrolysis?