State the terms/process for the following: [5]The energy released when an atom in the gaseous state accepts an electron to form an anion.Tendency of an element to form chains of identical atoms.The name of the process by which Ammonia is manufactured on a large scale.A type of salt formed by partial replacement of hydroxyl radicals with an acid radical.The ratio of the mass of a certain volume of gas to the same volume of hydrogen measured under the same conditions of temperature and pressure.

The acid which does not form acid salt by a basic radical: [1]H2CO3H3PO4H2SO4CH3COOH

The indicator which changes to pink colour in an alkaline solution is: [1]Blue LitmusMethyl OrangeRed LitmusPhenolphthalein

Metals are good ............... [oxidizing agents / reducing agents] [1]

The ion which could be discharged most readily during electrolysis is ............... [Fe2+ / Cu2+] [1]

Fill in the blank with the correct choice:............... [Silver chloride / Lead chloride] is a white precipitate that is soluble in excess of Ammonium hydroxide solution. [1]

Fill in the blank with the correct choice:Conversion of ethene to ethane is an example of ............... [hydration / hydrogenation] [1]

Fill in the blank by choosing the correct answer: During electrolysis, the compound ............... in its molten state liberates reddish brown fumes at the anode. [NaCl / PbBr2] [1]

Non-polar covalent compounds are ............... [good / bad] conductors of heat and electricity. [1]

Complete and balance the following equations: [3] (a) NH4Cl + Ca(OH)2 → (b) CuSO4 + NH4OH → (c) Cu + Conc. HNO3 →

State a relevant reason for the following: [2](a) Hydrogen chloride gas cannot be dried over quick lime.(b) Ammonia gas is not collected over water.

The following questions are pertaining to the laboratory preparation of Ammonia gas from Magnesium nitride: [3](a) Write a balanced chemical equation for its preparation.(b) Why is this method seldom used?(c) How do you identify the gas formed?