How is dry ammonia prepared in the laboratory?

How is ammonia prepared in the laboratory ?

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

How is acetylene prepared in the laboratory ?

How is oxygen prepared in the laboratory?

How can dihydrogen be prepared in the laboratory?

How can methane be prepared in the laboratory ?

How can ethylene be prepared in the laboratory ?

How is hydrogen chloride prepared in the laboratory? HCI gas cannot be dired with CaO, KOH or P_(2)O_(5) . Explain.

How can hydrogen peroxide be prepared in the laboratory? What is the limitation of this process?