Quiz 4: Chemical Reactions and Synthetic Materials

What are synthetic materials?

• Materials made by humans through chemical reactions

• Materials that occur naturally

• Materials that are only found in nature

• Materials that cannot be replicated

Which of the following is an example of a synthetic polymer?

• Wool

• Nylon

• Silk

• Cotton

What is a characteristic of polymers?

• They are always toxic

• They are made of repeating units called monomers

• They cannot be synthesized

• They are only found in natural materials

What is the main advantage of synthetic fibers over natural fibers?

• They are less expensive to produce

• They are less durable

• They are harder to clean

• They are more expensive

What is the process of creating synthetic materials based on natural resources called?

• Biodegradation

• Natural selection

• Recycling

• Chemical synthesis

Which of the following is a drawback of synthetic materials?

• They are less versatile

• They are more expensive than natural materials

• They can contribute to pollution

• They are always biodegradable

What is tartrazine?

• A pure element

• A type of polymer

• A synthetic material

• A natural resource

What is the main use of synthetic food preservatives?

• To increase cost

• To add color

• To enhance flavor

• To prevent mold growth

What is a common source for synthetic plastics?

• Water

• Petroleum

• Air

• Wood

What is the role of chemists in producing synthetic materials?

• They avoid using any chemicals

• They assemble materials using chemical reactions

• They only focus on natural fibers

• They only study natural resources