Introduction to man made materials

Polyacrylic is an important material in the making of certain _____ lenses.

Polyacrylic is used in the fabrication of dental prosthetics.

Write three uses of polyacrylic.

_____ is used as a substitute for natural teeth.

_____ is the monomer of polypropylene.

Select whether the following statement is true or false:

Polypropylene is produced by the polymerization of phenol and formaldehyde.

Propylene is the monomer of _______.

Name the monomer of polypropylene.

Name the monomer of polypropylene.

What are the different types of plastics?

Select the correct uses of the polymer named polystyrene.

Select whether the following statement is true or false:

Polystyrene is used in making cooking utensils to cook food.

Select whether the following statement is true or false:

Polystyrene is used in packaging consumer goods such as DVD cases, egg cartons, to protect against spoilage or damage.

Write the usage of thermocol as a form of polymer.

Select the correct uses of polystyrene.

Styrene is the monomer of _____.

Name the monomer of polystyrene.

Select whether the following statement is true or false:

Polystyrene is produced by the polymerization of phenol and formaldehyde.

Give the uses of polystyrene.

Plastic is not biodegradable, which is one of the causes of plastic pollution.