1. What is meant by a finite resource?
Answer: A resource that is being depleted at a faster rate than it can be replenished, eventually leading
to exhaustion.
2. Provide examples of finite resources.
Answer: Metal ores, crude oil, and limestone are examples of finite resources.
3. What is the main component of soda-lime glass?
Answer: Soda-lime glass is composed of sodium carbonate, soda, and lime.
4. Define a renewable resource.
Answer: A resource that can be replenished naturally and is not depleted by moderate use.
5. Provide examples of renewable resources.
Answer: Solar energy, biological resources such as forests and fisheries, and biological organisms used to
produce biofuels are examples of renewable resources.
6. Describe the structure of a composite material.
Answer: Composites consist of a reinforcement (fibers) surrounded by a matrix or binder.
7. How can the plastic industry use renewable resources?
, Answer: The plastic industry can use ethane made from ethanol, which is produced by fermenting
glucose, reducing its dependence on finite resources and improving sustainability.
8. What are the components of bronze and brass?
Answer: Bronze is a mixture of copper and tin, while brass is an alloy of copper and zinc.
9. What is corrosion?
Answer: Corrosion is the deterioration of a metal due to a chemical reaction in its environment.
10. Give an example of a synthetic product replacing a natural resource.
Answer: Polyester (polyester) can replace cotton in some applications.
11. How do chemists contribute to sustainable development?
Answer: Chemists can develop processes that use fewer resources by optimizing energy efficiency and
reducing waste.
12. Define potable water.
Answer: Potable water is water that is safe for human consumption.
13. What is potable water composed of?
Answer: Potable water typically contains ions such as fluoride, sodium, and calcium, giving it its taste.
14. What is distillation?