What are carbenes ? Give two examples.

What are arenes? Give two examples.

What are carbocations ? Give two examples.

(a) What are hydrocarbons ? Give examples. (b) Give the structural differences between saturated and unsaturated hydrocarbons with two examples each. (c ) What is functional group ? Examples of four different functional groups.

What are fuels ? Give two examples of modern fuels.

What are miclells? Give two examples of micelles-forming substances.

What are oxide ? Give two examples for each of metallic and non - metallic oxides .

What are fluids? Give two examples.

What are macromolecules ? Give examples .

What are antiseptics ? Give an example.

What are emulsions? Give an example.