Unidade 1 - Fundamentos para a Industria da Borracha

Fill in the Blanks

Brazil is the leading producer of natural rubber in Latin America, with an estimated production of about

thousand tons in the 2023/2024 harvest.

Multiple Choice

Which state is responsible for 65% of Brazil's national rubber production?

• São Paulo

• Minas Gerais

• Rio de Janeiro

• Bahia

Multiple Choice

What were some of the first rubber artifacts observed by Christopher Columbus around 1495 that were used by indigenous people?

• Balls, pots, bowls, and utensils

• Shoes and clothing

• Weapons and tools

• Jewelry and ornaments

Fill in the Blanks

The latex used to produce natural rubber is extracted from

.

Multiple Choice

Who discovered the vulcanization process of rubber by adding sulfur and heating it in 1839?

• Charles Goodyear

• Thomas Edison

• Marie Curie

• Alexander Fleming

Multiple Select

Which of the following are products derived from the second generation of the chemical industry according to the elastomer fundamentals?

• Fibers

• Plastics

• Elastomers

• Metals

Multiple Choice

In the petrochemical industry, what is the main raw material used for producing chemicals in the first generation?

• Nafta

• Coal

• Natural gas

• Ethanol

Multiple Choice

The main function of additives in elastomer formulations is to:

• Improve the physical properties of the rubber

• Reduce the cost of production

• Change the color of the rubber

• Increase the weight of the final product