Name the gas evolved in each case [formula is not acceptable]. The gas that burns in oxygen with a green flame.

Write a fully balanced equation for — Magnesium nitride is treated with warm water.

(a) Of the two gases, ammonia and hydrogen chloride, which is more dense? Name the method of collection of this gas.

(b) Give one example of a reaction between the above two gases which produces a solid compound.

(c) Write a balanced equation for a reaction in which ammonia is oxidized by:

(i) a metal oxide

(ii) a gas which is not oxygen.

Study the flow chart given and give balanced equations to represent the reactions A, B and C.

$\text{Mg}$3\text{N}2 \xrightarrow{\text{A}} \text{NH}3 \xtofrom[\text{C}]{\text{B}} \text{NH}4\text{Cl}