Write the balanced equation for the reaction between ammonia and sulphuric acid.

Give reason for the following: Liquid ammonia is used as a refrigerant in ice plains.

Copy and complete the following equation.

${\mathrm{NH}}_3+{\mathrm{CO}}_2\to$_____.

What important fertiliser is prepared from above equation? State the conditions.

Give balanced equation for the following conversion,  

Ammonia to nitrogen using an acidic gas.

Give balanced equation for the following conversion,

Ammonia to brown gas.