In the manufacture of ammonia:

(i) Name the process.

(ii) State the ratio of the reactants taken?

(iii) State the catalyst used.

(iv) Give the equation for the manufacture of the gas ammonia.

State your observation when — in the absence of catalyst, ammonia is burnt in an atmosphere of oxygen.

Complete the blanks (a) to (e) in the passage given, using the following words. [Ammonium, reddish brown, hydroxyl, nitrogen dioxide, ammonia, dirty green, alkaline, acidic]. In the presence of a catalyst, nitrogen and hydrogen combine to give (a) ………….. gas. When the same gas is passed through water, it forms a soln. which will be (b)………….. in nature, and will contain the ions (c) ………….. and (d) ………….. .(e) A ………….. coloured ppt. of iron [II] hydroxide is formed when the above solution is added to iron [II] sulphate solution.

Write a relevant equation, to show that ammonia can act as a reducing agent