The students should search these types of answers by
searching on the internet or books. However, some points will help you out;
1. Combustion or combustion reaction:
The carbon and carbon compounds gives carbon dioxide, heat,
vapor and light.
2. Oxidation reaction:
Using oxidizing agent, when carbon compounds are oxidized,
it forms carboxylic acids.
3. Addition reaction:
By adding radicals, when larger molecules are formed, the
result is known as addition reaction
4. Substitution reaction:
Replacement of any atom by another atom.