7B

Preparation of ammonia. Complete and balance the equations. Laboratory preparation[from ammonium salts]. Ammonium chloride + alkali

NH4Cl + Ca(OH)2 ⟶ ............... + H2O + ............... [g]

Chemical properties of ammonia. Complete and balance the equations. Combustibility. Burning of ammonia in oxygen NH3 + O2 ⟶ ............... + ...............

As a reducing agent [ammonia gas]. Complete and balance the equations. Heated copper oxide CuO + NH3 ⟶ ............... + H2O + ............... [g]

From NH3, HCl, H2S, SO2 - Select : (i) The gas which when bubbled through CuSO4 soln., a deep blue coloured soln. is formed. (ii) This gas burns in oxygen with a green flame.

Write the equation for the reaction in the Haber's process that forms ammonia.

State the purpose of liquefying the ammonia produced in the Haber's process.

Write an equation for the reaction of chlorine with excess of ammonia.

Name the ion other than ammonium ion formed when ammonia dissolves in water.

Write equations for the formation of ammonia. (i) NH4Cl and slaked lime are heated. (ii) Aluminium nitride and water.

Select from the list - Ammonia, Copper oxide, Copper sulphate, Hydrogen chloride, Hydrogen sulphide, Lead bromide : The compound which is not a metal hydroxide but it's aqueous solution is alkaline in nature.