Give an example of each:

Combination reaction in which:

(i) An element of valency 3 combines with nitrogen.

(ii) A non-metal oxide reacting with water to form an acid.

(iii) A metal oxide reacting with water to form its hydroxide.

Give an example of each:

Write the decomposition reactions for the following:

(i) Metallic oxide on heating forms metallic oxide and oxygen.

(ii) A compound on heating gives a gas which turns lime water milky.

(iii) A white hydroxide on heating gives a yellow residue and water vapours.

Give two balanced equations to show thermal dissociation.

Name:

(a) two coloured oxides that do not decompose on heating.

(b) a carbonate that is stable to heat

(c) an oxide formed during thunder and lighting.

(d) the compound formed when phosphorus and oxygen combines.