Take this Exam: GCSE Chemistry: Using Resources | Zestly

Question 1

What are the four main stages evaluated in a Life Cycle Assessment (LCA)?

Accepted Answer

Raw material extraction, Manufacturing, Use, Disposal.

Question 2

Which of the following factors are compared in a Life Cycle Assessment?

Accepted Answer

Energy usage during production.

Question 3

Why is the recycling of metals considered a sustainable practice?

Accepted Answer

It reduces the need to mine and process new ore.

Question 4

Which of the following is a key goal of sustainable development?

Answer

To maximize the extraction of resources for immediate economic growth.

Answer

To ensure that all products are made from synthetic materials.

Answer

To meet the needs of the current generation without compromising future generations.

Answer

To stop all industrial activity to preserve the environment.

Question 5

How does the reuse of glass contribute to resource conservation?

Answer

It chemically alters the glass to make it stronger.

Answer

It reduces the energy required to melt and reform glass.

Answer

It completely removes the need for raw materials like sand.

Answer

It ensures that no waste is produced during the manufacturing process.