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 ⟶ ............... + ...............

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

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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.

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

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

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

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

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

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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.

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