Question

Name a method used to prepare ammonia in laboratory

Answer 1

HERE FRIEND:-

YOUR ANSWER IS HERE;-
----------------------------------
The Haber Process combines nitrogen from the air with hydrogen derived mainly from natural gas (methane) intoammonia. 
---------------------------------

HOPE it helps you. :)

Answer 2

The method used to prepare ammonia in laboratory is "HABER'S PROCESS".
In this we take nitrogen and hydrogen in the ratio 1:3 by the volume.
Hope it helps you!!!!