Ammonia can be obtained by adding water to : [Select the correct word]

1. Ammonium chloride
2. Ammonium nitrite
3. Magnesium nitride
4. Magnesium nitrate

Write the equation for the following reaction : Aluminium nitride and water.

Complete the table relating to an important industrial processes. [Output refers to the product of the process].

You enter a laboratory after a class has completed the Fountain Experiment. How will you be able to tell whether the gas used in the experiment was hydrogen chloride or ammonia.