How is nitrogen prepared in the laboratory? Write the chemical equations of the reactions involved.

How is nitrogen prepared in the laboratory? Write the chemical equation of the reaction involved.

How is nitrogen prepared in the laboratory? Write the reaction of thermal decomposition of sodium azide.

How pure N_2 gas is prepared in laboratory? Write the necessary equation for the reaction.

Decribe, how potassium dichromate is prepared from chromite. Write the chemical equations for the reactions involved.

How is XeF_(6) prepared from the XeF_(4) ? Write the chemical equation for the reaction.