Mention the five types of oxyacids of sulphur and give examples.

Mention two types of competition

Mention five important uses of air .

Mention five causes of air pollution.

Mention the different types of synovial joint.

Mention different types of reaction based on their speeds . Give examples .

Name the two broad groups of Kingdom Animalia. Mention the different sub-groups within each group and give examples of each.

Name the different types of hydrocarbons. Give two examples each.

Hydrogen forms three types of bonds in its compounds. Giving suitable examples, explain each type of bonding.

Define metamerism. What type of compounds do show it? Give an example.

The treatment of benzene with isobutene in the presence of sulphuric acid gives