Explain different types of positive interaction with example

Compounds having the same molecular formula exhibit different properties is called isomerism. Explain different types of isomerism with examples.

Redox reactions are those in which oxidation and reduction takes places. Explain the different types of redox reactions with suitable examples

Explain the different types of covalent hydrides with suitable examples.

Briefly explain the dlfferents types of emulsions and give example for each.

Name the different types of coal?